Saran, P.L., Ganga Devi, and Ratan Kumar. 2013. “Relative Importance of Biotic and Physiological Factors on Mango Production under Doon Valley Conditions of Uttarakhand”. Indian Journal of Horticulture 70 (2):287-89. https://journal.iahs.org.in/index.php/ijh/article/view/1447.