THE EFFECTIVENESS OF HEALTH EDUCATION IN IMPROVING KNOWLEDGE OF DIARRHEA PREVENTION AMONG SCHOOL-AGED CHILDREN AT SDN SINGONEGARAN 1 KEDIRI CITY, INDONESIA. PARAPLU [Internet]. 2026 Jul. 26 [cited 2026 Aug. 8];3(3):208-1. Available from: https://paraplu.sapublisher.com/index.php/paraplu/article/view/145