Ahmed, MF, M Khatun, MH Kabir, SA Mony, and MN Huda. 2011. “Effect of Growth Regulators on PLBs and Shoot Multiplication in Hybrid Orchid”. Bangladesh Journal of Plant Breeding and Genetics 22 (1):19-24. https://banglajol.info/index.php/BJPBG/article/view/9072.