Napitupulu, F. (2026) “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”, Jurnal Kesmas Prima Indonesia, 10(1). doi: 10.34012/jkpi.v10i1.7459.