Nikmatul, Khoiriyah, Anindita Ratya, Hanani Nuhfil, and Muhaimin Abdul Wahib. “The Analysis Demand for Animal Source Food in Indonesia: Using Quadratic Almost Ideal Demand System”. Business: Theory and Practice 21, no. 1 (June 12, 2020): 427-439. Accessed April 30, 2024. https://journals.vilniustech.lt/index.php/BTP/article/view/10563.