Đinh V. Khiêm and N. T. T. Hậu, “EFFECT OF PLANT-GROWTH REGULATORS ON THE FORMATION OF Begonia bataiensis CALLUS”, DLU JOS, vol. 8, no. 3, pp. 69–76, Sep. 2018, doi: 10.37569/DalatUniversity.8.3.438(2018).