Kular, Jagdev Singh, Arpinder Singh Brar, y Sarwan Kumar. «Population Development of Turnip Aphid Lipaphis Erysimi (Kaltenbach, 1843) (Hemiptera: Aphididae) and the Associated Predator Coccinella Septempunctata Linnaeus, 1758 As Affected by Changes in Sowing Dates of Oilseed Brassica». ENTOMOTROPICA 27, no. 1 (septiembre 18, 2012): 19–25. Accedido octubre 28, 2026. https://saber.ucv.ve/ojs/index.php/rev_ento/article/view/7347.