Joan, K., Putri, R., Nugraha, A., Pambudi, B. and Firdaus, M. 2020. A Musharakah Mutanaqisah Based on Environment. Business Innovation and Entrepreneurship Journal. 2, 1 (Feb. 2020), 20 - 27. DOI:https://doi.org/10.35899/biej.v2i1.41.