1.
Harahap F, Nasution M, Nurbaiti N. The Level of Public Purchasing Power on the Decision to Purchase Halal Products in North Sumatra. IIJSE [Internet]. 29Jan.2024 [cited 30Apr.2026];7(1):1165-86. Available from: https://e-journal.uac.ac.id/index.php/iijse/article/view/4587