Dienullah, R.M.A. (2019) “PH (Phiezoelectric on Hydraulic Ram Pump) Media Supplier of Water and Producing Electrical Energy Environment Friendly”, Nusantara Science and Technology Proceedings, pp. 270–275. Available at: https://nstproceeding.com/index.php/nuscientech/article/view/112 (Accessed: 30 July 2025).