Adhikari, Prajjwal, and Sudeep Thapaliya. “Smart Canteen System for Nepalese Institutions Using ESP32 and NFC: A Low-Cost IoT Approach”. Journal of UTEC Engineering Management 3, no. 1 (September 29, 2025): 146–154. Accessed December 7, 2025. https://nepjol.info/index.php/juem/article/view/84863.