Syukur, Musthafa, dan Karomatun Annisak. “MANAGEMENT SYSTEM OF SAPTA PESONA TOURISM TUMPAK SEWU WATERFALL ON THE INCOME OF THE LOCAL COMMUNITY IN THE PERSPECTIVE OF SHARIA ECONOMICS”. Jurnal Justisia Ekonomika: Magister Hukum Ekonomi Syariah 10, no. 1 (Juni 20, 2026): 1602–1618. Diakses Juni 23, 2026. https://journal.um-surabaya.ac.id/JE/article/view/31225.