Singh, K. I., Singh, C. H., Singh, M. P., & Gupta, M. K. (2009). Predation Efficiency of Five Coccinellid Beetles on <I>Aphis craccivora</I> Koch Infesting Cowpea. Journal of Biological Control, 23(1), 49–52. https://doi.org/10.18311/jbc/2009/3615