Farah Salma Elida, Siswoyo, Purwatiningsih, Sutoyo, Bambang Trianto, Rudju Winarsa, Andre Krestianto and Kahar Muzakhar 2025. Eco-Friendly Amylase Production and Immobilization on Macadamia Based Carbon Using Aspergillus niger. Journal of Environmental & Earth Sciences. 7, 7 (Jul. 2025), 73–85. DOI:https://doi.org/10.30564/jees.v7i7.10349.