O. SHEYKO and L. MUSATENKO, “The induction callus formation in vitro from explants of rare and endangered orchid”, CBJ, vol. 9, no. 4, pp. 595–604, Dec. 2013, Accessed: Nov. 15, 2026. Available: https://www.cbj.kspu.edu/index.php/cbj/article/view/366