“Toxicity of Chlorpyrifos and Cypertmethrin and Their Synergistic Effect With PBO Against the Lesser Mealworm Alphitobius Diaperinus (Panzar)”. University Journal of Zoology, Rajshahi University, vol. 23, June 2007, pp. 79-81, https://www.banglajol.info/index.php/UJZRU/article/view/120.