“Effect of Post Air Annealing on the Characteristics of Spray Deposited ZnO Thin Films and Their Use As MOS Ethanol Gas Sensor”. Indian Journal of Pure & Applied Physics (IJPAP) 62, no. 3 (February 27, 2024): 212–221. Accessed May 15, 2026. https://or.niscpr.res.in/index.php/IJPAP/article/view/6789.