Thi Tham, Dang, et al. “ A Study on Regeneration of Medicinal plant<em> Polygonatum Punctatum < Em>Royle Ex Kunth via Callus Induction from Leaves and Petioles”. Academia Journal of Biology, vol. 46, no. 4, Dec. 2024, pp. 47-56, doi:10.15625/2615-9023/21150.