Huynh, S., & Vo, M. (2009). STUDY ON SOMATIC EMBRYOGENESIS OF CALLUS IN POLYGONUM MULTIFLORUM THUNB. LEAF IN VITRO. VNUHCM Journal of Science and Technology Development, 12(17), 81-85. https://doi.org/https://doi.org/10.32508/stdj.v12i17.2370