Pares, Erwin D., Jessica J. Calamaya, Romar D. Calisan, Leonard D. Misula, and Ivan Carlo G. Talap. “Coin-Based Solar Charging Station With Security Features Using Optical Fingerprint Scanner and Solenoid Lock Chamber Box: Vol.3, No.1A”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 3, no. 1A (April 22, 2024). Accessed July 22, 2024. https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/12762.