Saragih N. ANALISIS KAJIAN POTENSI PROSPEK USAHA JAJANAN MALAM HARIDI KOTA MEDAN. JMB [Internet]. 2015 Dec. 20 [cited 2026 Sep. 3];15(1):47-5. Available from: https://ejournal.ust.ac.id/JIMB_ekonomi/article/view/98