2021. Islamic Business Ethics: How to Apply it on Hikma Collection Group (HCG) Management at Pondok Pesantren Miftahul Hikmah Parengan Sub-District, Tuban District, East Java. JOURNAL OF SHARIA ECONOMICS. 3, 2 (Dec. 2021), 137–159. DOI:https://doi.org/10.35896/jse.v3i2.262.