Bunga, G. J., & Villanueva, E. P. (2000). The study of the heating efficiency of the coil-type electric stove with commonly used cooking utensils in boiling water. The Mindanao Forum: official journal of the MSU-Iligan Institute of Technology.

Bunga, Gerneil J., and Eliseo P. Villanueva. "The Study of the Heating Efficiency of the Coil-type Electric Stove with Commonly Used Cooking Utensils in Boiling Water." The Mindanao Forum: Official Journal of the MSU-Iligan Institute of Technology 2000.

Bunga, Gerneil J., and Eliseo P. Villanueva. "The Study of the Heating Efficiency of the Coil-type Electric Stove with Commonly Used Cooking Utensils in Boiling Water." The Mindanao Forum: Official Journal of the MSU-Iligan Institute of Technology, 2000.