Tan, Daniel Leslie S., Julie D. Tan, Mark Anthony R. Atanacio, and Ruel B. Delantar. “Potential of Root Crops As Source of Electrical Energy”. Annals of Tropical Research 35, no. 2 (December 19, 2013): 22–39. Accessed December 22, 2024. https://atr.vsu.edu.ph/article/view/283.