Try Julita Sembiring, Elsa, Nilam Atsirina Khrisnaputri, and Pratama Haditua Reyner Siregar. 2022. “Testing the Performance of a Water Restrictor With the Orifice Principle”. KnE Social Sciences 7 (16), 29–37. https://doi.org/10.18502/kss.v7i16.12150.