Pasaribu, Rodiah, Pristiyono Pristiyono, Yudi Prayoga, and Marlina Siregar. “Utilization Of Coconut Water Post Covid-19 Vaccine For Students Of West Bilah State 5 Junior High School”. International Journal Of Community Service 2, no. 2 (March 9, 2022): 173–177. Accessed June 14, 2025. http://ijcsnet.id/index.php/go/article/view/86.