R P Gupta, R. C. G. N. K. P. “Management of Purple Blotch (Alternaria Porri) Disease of Garlic (Allium Sativum L.)”. Journal of Spices and Aromatic Crops, vol. 23, no. 1, June 2014, pp. 115-8, https://updatepublishing.com/journal/index.php/josac/article/view/5084.