Zaenal, Faisal Akbar, Hamka Naping, Syamsu Rijal, and Yahya. “Qualified Ingredients: Professionalism in Chefs’ Culinary Ingredient Selection”. Journal of Applied Sciences in Travel and Hospitality 9, no. 1 (March 30, 2026): 61–72. Accessed August 7, 2026. https://ojs2.pnb.ac.id/index.php/JASTH/article/view/2722.