SK. M. Rahaman & T. Aniszewski 2021. Studies on Morphological Variation in the Ladybird Beetles (Coleoptera: Coccinellidae) Abdominal Segments in Ventral View. Cutting-edge Research in Agricultural Sciences Vol. 7. (Mar. 2021), 126–131. DOI:https://doi.org/10.9734/bpi/cras/v7/1754F.