Amin, MR, and VJ Kwon. 2011. “Time And Age Specific Mating Success Of Bumblebee (<i>Bombus Terrestris</I> L.) Reared At Different Photoperiodic Regimes”. Bangladesh Journal of Agricultural Research 36 (1):13-20. https://doi.org/10.3329/bjar.v36i1.9225.