Faruq, M. A.; Masduqie, M. H. A.; Himami, F. H.; Ekowati, V. M. M.; Machfudz, M. M. Production of Biofir Bottled Drinking Water in UD. Sumber Mubarokah Sidoarjo Perspective of Islamic Economic System. JIEI 2023, 9, 1755-1764.