Ngoc Bich, Nguyen, and Lam Minh Triet. 2002. “THE CONTROL OF HYDROGEN SULPHIDE EVAPORATION IN THE TREATMENT OF WASTE WATER BY PHOTOSYNTHESIS OF CHLORELLA”. Science and Technology Development Journal 5 (10), 43-51. https://doi.org/https://doi.org/10.32508/stdj.v5i10.3449.