Mojumdar, A. et al. 2023. A new addition of bright babul blue - Azanus ubaldus - stoll, 1782 (Lepidoptera: Lycaenidae) for Bangladesh. Journal of Bangladesh Academy of Sciences. 47, 2 (Dec. 2023), 277–278. DOI:https://doi.org/10.3329/jbas.v47i2.67774.