Selection of chemical pesticide to minimize toxic effect to ladybird beetle [Coccinella septempunctata Linn (Coleoptera: Coccinellidae)] while managing black bean aphid [Aphis fabae Scop. (Hemiptera: Aphididae)]. Nepal Agric. Res. J. [Internet]. 2023 Feb. 1 [cited 2026 Jul. 7];15(1):33-45. Available from: https://www.nepjol.info/index.php/NARJ/article/view/51037