Datta, R.K. et al. 2013. Assessment of the production performance and economic efficiencies of available chicken breeds (Gallus domesticus L.) in Rajshahi, Bangladesh. University Journal of Zoology, Rajshahi University. 31, (Jun. 2013), 13–18. DOI:https://doi.org/10.3329/ujzru.v31i0.15374.