Paul, R., N. Ahmad, M. Moinuddin, and N. Hasan. “Effects of Administration of Multivitamins and Enzymes for Broilers Either Singly or in Combination on Body Weight and Haematobiochemical Parameters”. Journal of the Bangladesh Agricultural University, vol. 8, no. 1, Nov. 2010, pp. 39-44, doi:10.3329/jbau.v8i1.6396.