Shah Slamet, Mohammad Firman, Nor Aira Zambri, and Norhafiz Salim. “Air-Conditioning Unit Harvesting Energy Using DC Generator”. Progress in Engineering Application and Technology 1, no. 1 (December 13, 2020): 166–172. Accessed April 9, 2026. https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/245.