Kong YYE, Sani H. Establishment of Axenic Explants and Callus Induction of Vernonia amygdalina Del. BJRST [Internet]. 2017 Jan. 17 [cited 2024 Jul. 3];6(2):28-34. Available from: https://publisher.unimas.my/ojs/index.php/BJRST/article/view/341