Ahmad Fahrizal Ulya Firmansyah and Moh. Idil Ghufron 2026. Implementation of Hisbah Concept in Supervising the Operational Activities of Coffee Production Houses in Bintoro Village, Jember. International Journal of Economics, Business and Innovation Research. 5, 04 (Jul. 2026), 4272-4289. DOI:https://doi.org/10.63922/ijebir.v5i04.4617.