Tuyet Nhung, Tran Thi, and Dai Nghiep Ngo. 2021. “Mutagenesis of Rhodosporidium Toruloides Using Ethyl Methanesulfonate for Enhancing Astaxanthin Production and Evaluation Scavenging Activity Against 2,2-Diphenyl-1-Picrylhydrazyl of Astaxanthin”. Science & Technology Development Journal: Natural Sciences 5 (4), 1670-78. https://doi.org/https://doi.org/10.32508/stdjns.v5i4.1086.