M. Asaduzzaman, M. Jahan, M. Mondol, M. Islam, and A. Sarkar, “Efficacy of Different Commercial Vitamin - Mineral Premixes on Productive Performance of Caged Laying Pullets”, Int. J. Poult. Sci., vol. 4, no. 8, pp. 589–595, Jul. 2005, doi: 10.3923/ijps.2005.589.595.