SIMANIHURUK, R. M. Geographical Information System for the Layout of the Simalungun Protestant Christian Church (GKPS) in Medan City. Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi, [S. l.], v. 14, n. 1, p. 1–7, 2023. DOI: 10.35335/mekintek.v14i1.203. Disponível em: https://ejournal.isha.or.id/index.php/Mekintek/article/view/203. Acesso em: 1 may. 2026.