Factors Affecting The use Of Posbindu PTM Elderly In Medan Puskesmas Rantang Medan District Medan Petisah District In 2018. J Keskom [Internet]. 28 Mei 2020 [dikutip 12 November 2026];6(1):121-8. Tersedia pada: http://jurnal.htp.ac.id/index.php/keskom/article/view/523