Napitupulu F, Sinurat SJ, Tamariahna E, Simanjuntak V, Sipayung YA. Socialization of Diarrhea Prevention in School-Age Children Using Healthy Pocket Media at Elementary School UPT 101800 Deli Tua Timur, Deli Tua District, Deli Serdang Regency. JKPI [Internet]. 2026 Jan. 30 [cited 2026 Apr. 2];10(1). Available from: http://139.162.50.187/index.php/JKPI/article/view/7459