Apriliani, A., A. H. Ritonga, and D. 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), vol. 7, no. 1, Oct. 2024, pp. 33-39, doi:10.35451/jkg.v7i1.2267.