1.
Hasanah RP, Kadenun K, Nafi’ah N. Etika Bisnis Islam dalam Khiyar Jual Beli dengan Sistem Cash on Delivery di Ponorogo. ijief [Internet]. 2021 Aug. 26 [cited 2026 Feb. 16];1(1):54-71. Available from: https://ejournal.insuriponorogo.ac.id/index.php/jief/article/view/877