Saat, S., C. Heng, A. M. Isa, A. Darsono, and M. M. Isa. “Developing a Wireless Charging Concept via Loosely Coupled Inductive Power Transfer for Mobile Applications”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 7, no. 2, Feb. 2016, pp. 107-15, https://jtec.utem.edu.my/jtec/article/view/621.