Sianturi, A.C.K., Nanda, M., Saragih, E.F., Dalimunthe, H.S. and Sinambela, N.D. 2025. 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. 13, 4 (Aug. 2025), 989–994. DOI:https://doi.org/10.32832/hearty.v13i4.17188.