Khorshidi, Shadan, and Gholamhossein Davarynejad. “Effect of Pre-Harvest Ethylene Application on Phyto-Chemicals and Antioxidant Activity of Sour Cherry”. Indian Journal of Horticulture, vol. 68, no. 03, Sept. 2011, pp. 322-7, https://journal.iahs.org.in/index.php/ijh/article/view/1910.