Vincent E. Salas, Warren P. Prianes, Mark Anthony D. Lobo, Louise L. Quiambao, Jeremy G. Dionisio, Airon H. Epanto, Edgardo M. Santos and Louie G. Serrano 2022. Basic Principle of Electric Motor Of 12 Volts DC Supply To 220V AC Output. International Journal of Progressive Research in Science and Engineering . 3, 07 (Jul. 2022), 37–42.