Sianturi, A. C. K.; Nanda, M.; Saragih, E. F.; Dalimunthe, H. S.; Sinambela, N. D. THE RELATIONSHIP BETWEEN CLEAN WATER SOURCES AND PERSONAL HYGIENE WITH THE INCIDENCE OF DIARRHOEAL DISEASE IN PUBLIC SCHOOLS 101826 KUTALIMBARU, PANCUR BATU SUB-DISTRICT, DELI SERDANG DISTRICT. Hearty 2025, 13, 989-994.