Mokhtar, Nur Raudatusyahirah, and Mohd Kamarulzaki Mustafa Mustafa. “The Investigation of QCM-Based VOCS Gas Sensor Sensitivity Using Impedance Analysis”. Enhanced Knowledge in Sciences and Technology 5, no. 2 (December 17, 2025): 293–299. Accessed August 15, 2026. https://periodical.uthm.edu.my/index.php/ekst/article/view/18621.