SHARMA, I D, et al. “Management of Powdery Mildew (Erysiphe Pisi) through Fungicides and Persistence of Bitertanol in Pea (Pisum Sativum)”. The Indian Journal of Agricultural Sciences, vol. 72, no. 9, June 2014, https://epubs.icar.org.in/index.php/IJAgS/article/view/41016.