Quảng, H.T., Như, L.P.Q., Trí, N.M., Nhân, L.T.T., Cương, L.N., Hải, T.T.H. and Sáng, Đặng N. 2019. In vitro propagation of Gynostemma pentaphyllum (Thunb.) Makino via callus induction. Hue University Journal of Science: Natural Science. 128, 1E (Oct. 2019), 59-68. DOI:https://doi.org/10.26459/hueuni-jns.v128i1E.5406.