Samad M, Husain M, Begum M, Hossain M. Effects of sowing dates on the incidence of mustard sawflies, mustard aphids and its predator, the lady bird beetles. Bangladesh J. Zool. [Internet]. 2009 May 7 [cited 2024 May 19];35(2):319-24. Available from: https://www.banglajol.info/index.php/BJZ/article/view/2452