Dr Apurva Yadav, Pradhnesh Dalvi, and Harshal Juwale. “RFID-Based Attendance Management System Using ESP32 and Google Sheets”. The Voice of Creative Research 7, no. 2 (April 30, 2025): 419–429. Accessed August 1, 2026. https://mail.thevoiceofcreativeresearch.com/index.php/vcr/article/view/117.