RONALD SUGIANTO, VANIA SUKARNO, MADE SUDARMAJA I, and KADEK SWASTIKA I, “WATER SOURCE AS THE MAIN RISK FACTOR OF SOIL-TRANSMITTED HELMINTHS INFECTION ON PRIMARY SCHOOL STUDENTS IN ANTIGA VILLAGE, BALI”, Asian J Pharm Clin Res, vol. 12, no. 6, pp. 119–121, Jun. 2019.