mardiana, M. W. . Lestari, and Third. “DESIGN AND CONSTRUCTION OF A NATURAL DISASTER DETECTION EQUIPMENT USING THE WATER LEVEL SWITCH SENSOR AND SENSOR SW-420”. International Journal of Data Science, Computer Science and Informatics Technology (InJODACSIT), vol. 1, no. 2, Dec. 2021, pp. 7-15, https://ojs.polmed.ac.id/index.php/InJODACSIT/article/view/570.