PHẠM MT, LÊ TT, NGÔ S. Effects of plant growth regulators, mineral medium, and pH values on the callus induction of young stem cutting slices of Ehretia asperula Zoll. et Mor. Science & Technology Development Journal: Natural Sciences [Internet]. 6Jun.2020 [cited 17Apr.2024];4(2):458-67. Available from: http://stdjns.scienceandtechnology.com.vn/index.php/stdjns/article/view/763