Nikmatul K, Ratya A, Nuhfil H, Wahib MA. The analysis demand for animal source food in Indonesia: using Quadratic Almost Ideal Demand System. BTP [Internet]. 2020Jun.12 [cited 2024Nov.24];21(1):427-39. Available from: https://jbem.vgtu.lt/index.php/BTP/article/view/10563