Y. Adicita, I. W. K. Suryawan, and M. R. Apritama, “DESIGN OF CENTRALIZED WASTEWATER SEWERAGE SYSTEM IN SMALL LENGKANG ISLAND, BATAM CITY, INDONESIA”, J. of Com. Based Env. Eng. and Manag., vol. 4, no. 1, pp. 15–24, Mar. 2020.