Maspul KA, Akrem AM, Bondk B. Local Economy Empowerment Through the Sustainable Coffee Knowledge for Coffee Professionals in Buraidah, Saudi Arabia. Eqien [Internet]. 2022 May 31 [cited 2026 Aug. 26];10(2):141-6. Available from: https://www.stiemuttaqien.ac.id/ojs/index.php/OJS/article/view/598