T. . Coetzee, K. . Behari Khare, D. . Loeto, and K. . Wale, “Efficacy of locally available fungicides in controlling powdery mildew of Butternut squash (Cucurbita moschata Duchesne ex Poiret) in greenhouse at Sebele, Botswana”, Sci. J. Crop Sci., vol. 6, no. 3, pp. 168-175, Mar. 2017.