Razmandeh, Najmeh, et al. “Response of Seed Yield, Its Components and Leaf Area Index of Spring Corn to Consume Vermicompost and Iron Nano Fertilizer”. Journal of Crop Nutrition Science, vol. 4, no. 4, Sept. 2018, pp. 30-42, https://oiccpress.com/jcns/article/view/5885.