ANALISIS PENGGUNAAN ALAT INTERAKSI KELUARGA DI SEKITAR REL KERETA API GAHARU MEDAN. Triwikrama [Internet]. 2025 Oct. 12 [cited 2026 Nov. 1];11(7):231-40. Available from: https://ejournal.cibinstitut.com/index.php/triwikrama/article/view/417