Sanjani, Haeran, E. K. Devi, Daud, Zeni Sunarti, and Sayida Khoiratun Nisak, “Implementation of An-Taradhin and Ghabn Principles in Food and Beverage Pricing within Elementary School Environments”, Amorti: Jurnal Studi Islam Interdisipliner, vol. 5, no. 4, pp. 1728–1734, Aug. 2026.