Kusumawardani, N. D., G. A. Purwanti, A. Sofwani, and Y. Q. Mondiana. “Effect Of Income And Price Changes On Rice Demand Elasticity”. Jurnal Ekonomi, vol. 13, no. 04, Dec. 2024, pp. 717-21, https://www.ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/5364.