Gupta, RC, and RP Gupta. “Effect of Integrated Disease Management Packages on Diseases Incidence and Bulb Yield of Onion (Allium Cepa L.)”. SAARC Journal of Agriculture 11, no. 2 (March 20, 2014): 49-59. Accessed August 4, 2020. https://www.banglajol.info/index.php/SJA/article/view/18401.