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Thapa CB, Pant KK, Bhattarai HD, Pant B. In vitro Induction and Proliferation of Callus in Piper longum L. through Leaf Culture. Nepal Journal of Science and Technology [Internet]. 2022 Dec. 31 [cited 2024 Apr. 17];21(1):13-22. Available from: https://www.nepjol.info/index.php/NJST/article/view/49892