1. Karimi, Muhammad Akram, Muhammad Arsalan, and Atif Shamim, "Multi-channel, microwave-based, compact printed sensor for simultaneous and independent level measurement of eight liquids," IEEE Sensors Journal, Vol. 19, No. 14, 5611-5620, 2019.

2. Mohd Bahar, Amyrul Azuan, Z. Zakaria, M. K. Md. Arshad, A. A. M. Isa, Y. Dasril, and Rammah A. Alahnomi, "Real time microwave biochemical sensor based on circular SIW approach for aqueous dielectric detection," Scientific Reports, Vol. 9, No. 1, 5467, 2019.

3. Ebrahimi, Amir, James Scott, and Kamran Ghorbani, "Differential sensors using microstrip lines loaded with two split-ring resonators," IEEE Sensors Journal, Vol. 18, No. 14, 5786-5793, 2018.

4. Yeo, Junho and Jong-Ig Lee, "High-sensitivity microwave sensor based on an interdigital-capacitor-shaped defected ground structure for permittivity characterization," Sensors, Vol. 19, No. 3, 498, 2019.
doi:10.3390/s19030498

5. Baghelani, Masoud, Zahra Abbasi, and Mojgan Daneshmand, "Noncontact high sensitivity chipless tag microwave resonator for bitumen concentration measurement at high temperatures," Fuel, Vol. 265, 116916, 2020.

6. Armghan, Ammar, Turki M. Alanazi, Ahsan Altaf, and Tanveerul Haq, "Characterization of dielectric substrates using dual band microwave sensor," IEEE Access, Vol. 9, 62779-62787, 2021.

7. Morales-Lovera, Hector-Noel, Jose-Luis Olvera-Cervantes, Aldo-Eleazar Perez-Ramos, Alonso Corona-Chavez, and Carlos E. Saavedra, "Microstrip sensor and methodology for the determination of complex anisotropic permittivity using perturbation techniques," Scientific Reports, Vol. 12, No. 1, 2205, 2022.

8. Lobato-Morales, Humberto, Alonso Corona-Chávez, José Luis Olvera-Cervantes, Ricardo Arturo Chávez-Pérez, and José Luis Medina-Monroy, "Wireless sensing of complex dielectric permittivity of liquids based on the RFID," IEEE Transactions on Microwave Theory and Techniques, Vol. 62, No. 9, 2160-2167, 2014.
doi:10.1109/TMTT.2014.2333711

9. Al-Behadili, Amer Abbood, Iulia Andreea Mocanu, Norocel Codreanu, and Mihaela Pantazica, "Modified split ring resonators sensor for accurate complex permittivity measurements of solid dielectrics," Sensors, Vol. 20, No. 23, 6855, 2020.
doi:10.3390/s20236855

10. Alam, Syah, Zahriladha Zakaria, Indra Surjati, Noor Azwan Shairi, Mudrik Alaydrus, and Teguh Firmansyah, "Multifunctional of dual-band permittivity sensors with antenna using multicascode T-shaped resonators for simultaneous measurement of solid materials and data transfer capabilities," Measurement, Vol. 217, 113078, 2023.

11. Piekarz, Ilona, Krzysztof Wincza, Slawomir Gruszczynski, and Jakub Sorocki, "Detection of methanol contamination in ethyl alcohol employing a purpose-designed high-sensitivity microwave sensor," Measurement, Vol. 174, 108993, 2021.

12. Kiani, Sina, Pejman Rezaei, and Mina Fakhr, "Real-time measurement of liquid permittivity through label-free meandered microwave sensor," IETE Journal of Research, 1-11, 2023.

13. Alahnomi, Rammah Ali, Zahriladha Zakaria, Zulkalnain Mohd Yussof, Ayman Abdulhadi Althuwayb, Ammar Alhegazi, Hussein Alsariera, and Norhanani Abd Rahman, "Review of recent microwave planar resonator-based sensors: Techniques of complex permittivity extraction, applications, open challenges and future research directions," Sensors, Vol. 21, No. 7, 2267, 2021.
doi:10.3390/s21072267

14. Muñoz-Enano, Jonathan, Paris Vélez, Marta Gil, and Ferran Martín, "Planar microwave resonant sensors: A review and recent developments," Applied Sciences, Vol. 10, No. 7, 2615, 2020.
doi:10.3390/app10072615

15. Alahnomi, Rammah Ali, Zahriladha Zakaria, Eliyana Ruslan, Siti Rosmaniza Ab Rashid, and Amyrul Azuan Mohd Bahar, "High-Q sensor based on symmetrical split ring resonator with spurlines for solids material detection," IEEE Sensors Journal, Vol. 17, No. 9, 2766-2775, 2017.

16. Behdani, Mahdi, Mohammad Mahdi Honari Kalateh, Hossein Saghlatoon, Jordan Melzer, and Rashid Mirzavand, "High-resolution dielectric constant measurement using a sensor antenna with an allocated link for data transmission," IEEE Sensors Journal, Vol. 20, No. 24, 14827-14835, 2020.

17. Alam, Syah, Zahriladha Zakaria, Indra Surjati, Noor Azwan Shairi, Mudrik Alaydrus, and Teguh Firmansyah, "Dual-band independent permittivity sensor using single-port with a pair of U-shaped structures for solid material detection," IEEE Sensors Journal, Vol. 22, No. 16, 16111-16119, 2022.

18. Massoni, Enrico, Giuseppe Siciliano, Maurizio Bozzi, and Luca Perregrini, "Enhanced cavity sensor in SIW technology for material characterization," IEEE Microwave and Wireless Components Letters, Vol. 28, No. 10, 948-950, 2018.

19. Salim, Ahmed and Sungjoon Lim, "TM02 quarter-mode substrate-integrated waveguide resonator for dual detection of chemicals," Sensors, Vol. 18, No. 6, 1964, 2018.
doi:10.3390/s18061964

20. Boybay, Muhammed Said and Omar M. Ramahi, "Material characterization using complementary split-ring resonators," IEEE Transactions on Instrumentation and Measurement, Vol. 61, No. 11, 3039-3046, 2012.

21. Wang, Cong, Luqman Ali, Fan-Yi Meng, Kishor Kumar Adhikari, Zhong Liang Zhou, Yu Chen Wei, Dan Qing Zou, and He Yu, "High-accuracy complex permittivity characterization of solid materials using parallel interdigital capacitor-based planar microwave sensor," IEEE Sensors Journal, Vol. 21, No. 5, 6083-6093, 2021.

22. Rahman, Norhanani Abd, Zahriladha Zakaria, Rosemizi Abd Rahim, Maizatul Alice Meor Said, Amyrul Azuan Mohd Bahar, Rammah A. Alahnomi, and Ammar Alhegazi, "High quality factor using nested complementary split ring resonator for dielectric properties of solids sample," The Applied Computational Electromagnetics Society Journal, Vol. 35, No. 10, 1222-1227, 2020.
doi:10.47037/2020.ACES.J.351016

23. Abdulkarim, Yadgar I., Lianwen Deng, Muharrem Karaaslan, et al. "Novel metamaterials-based hypersensitized liquid sensor integrating omega-shaped resonator with microstrip transmission line," Sensors, Vol. 20, No. 3, 943, 2020.
doi:10.3390/s20030943

24. Mohd Bahar, Amyrul Azuan, Z. Zakaria, S. R. Ab Rashid, A. A. M. Isa, and Rammah A. Alahnomi, "High-efficiency microwave planar resonator sensor based on bridge split ring topology," IEEE Microwave and Wireless Components Letters, Vol. 27, No. 6, 545-547, 2017.

25. Bakır, Mehmet, Muharrem Karaaslan, Emin Unal, Faruk Karadag, Fatih Özkan Alkurt, Olcay Altıntaş, Sekip Dalgac, and Cumali Sabah, "Microfluidic and fuel adulteration sensing by using chiral metamaterial sensor," Journal of the Electrochemical Society, Vol. 165, No. 11, B475-B483, 2018.
doi:10.1149/2.0231811jes

26. Meyne, Nora, Grischa Fuge, An-Ping Zeng, and Arne F. Jacob, "Resonant microwave sensors for picoliter liquid characterization and nondestructive detection of single biological cells," IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology, Vol. 1, No. 2, 98-104, 2017.