Nguyen, Nguyen Thi Hanh, et al. “Isolation and Characterization of Rhizobium Spp. and Bradyrhizobium Spp. From Legume Nodules”. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ENGINEERING AND TECHNOLOGY, vol. 12, no. 2, Nov. 2022, pp. 70-98, doi:10.46223/HCMCOUJS.tech.en.12.2.2116.2022.