Rahman, M. M., M. D. Islam, Z. Islam, S. Kumar, T. A. Chowdhury, H. Nishino, and M. A. Haque. “Synthesis and Characterization of New Iminopyridazine Butyronitrile Hydrobromides”. Journal of Bangladesh Academy of Sciences, vol. 44, no. 2, Jan. 2021, pp. 131-8, doi:10.3329/jbas.v44i2.51457.