Ngoc An, N. 2001. A STUDY OF AN ECOSYSTEM ON THE GARDENS AND THE USAGE SOURCE OF THE WATER AT HOC MON DISTRICT, HO CHI MINH CITY. Science and Technology Development Journal. 4, 1&2 (Feb. 2001), 97-104. DOI:https://doi.org/https://doi.org/10.32508/stdj.v4i1&2.3479.