Simanihuruk, R. M. (2023) “Geographical Information System for the Layout of the Simalungun Protestant Christian Church (GKPS) in Medan City”, Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi, 14(1), pp. 1–7. doi: 10.35335/mekintek.v14i1.203.