Uniyal, Shweta, and K.K. Misra. “Effect of Plant Growth Regulators on Fruit Drop and Quality of Bael under Tarai Conditions of Uttarakhand”. Indian Journal of Horticulture, vol. 72, no. 01, Mar. 2015, pp. 126-9, https://journal.iahs.org.in/index.php/ijh/article/view/1498.