Tjiptohadi Sawarjuwono, Purnama Putra,. «Traditional Market Merchant Attitudes in the Perspective of Islamic Business Ethics». Opción 350 (agosto 3, 2019): 1471-1487. Accedido mayo 12, 2025. https://mail.produccioncientificaluz.org/index.php/opcion/article/view/24594.