Zhao, B. “Effect of Temperature and GA3 on Seed Germination and Seedling Establishment of Rhododendron Purdomii Rehd. Et Wils”. Indian Journal of Horticulture, vol. 71, no. 03, Sept. 2014, pp. 437-40, https://journal.iahs.org.in/index.php/ijh/article/view/1310.