“Developing of Candle Lighting Battery Charger by Using Thermoelectric Generator”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 2, no. 1 (April 1, 2020). Accessed December 14, 2025. https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1751.