Phip, N., Mai, N., Hai, N., & Thom, N. (2021). Study on Stem Cutting Propagation of Gynostemma Pentaphyllum (Thunb.) Makino in Hoa Binh Province. Vietnam Journal of Agricultural Sciences, 4(2), 1034-1042. https://doi.org/10.31817/vjas.2021.4.2.04