DIENULLAH, R. M. A.; F. K. AINI; F. FEBRIANA; F. ROSARIAWARI. PH (Phiezoelectric on Hydraulic Ram Pump) Media Supplier of Water and Producing Electrical Energy Environment Friendly. Nusantara Science and Technology Proceedings, Malang, Indonesia, p. 270–275, 2019. Disponível em: https://nstproceeding.com/index.php/nuscientech/article/view/112. Acesso em: 30 jul. 2025.