Ahmad Rifqi, and Kurniawaty Fitri. “Analysis of Superior Commodities of MSME Sector in Indragiri Hulu Regency Using OVOP Approach”. GIS Business 16, no. 2 (July 26, 2021): 139-153. Accessed April 18, 2024. https://gisbusiness.org/index.php/gis/article/view/20326.