Apriliani, Ade, Ahmad Hafizullah Ritonga, and Darmanto Ginting. “Evaluation of the Implementation of the Elderly Posyandu in the Petumbukan Health Center Work Area Deli Serdang District in 2024”. JURNAL KESMAS DAN GIZI (JKG) 7, no. 1 (October 31, 2024): 33–39. Accessed November 22, 2024. https://ejournal.medistra.ac.id/index.php/JKG/article/view/2267.