Islam, M. M., Ahbab, M., Islam, M. R. and Kabir, M. H. (2018) “On the Exact Soliton Solutions of Some Nonlinear PDE by Tan-Cot Method”, GUB Journal of Science and Engineering, 5(1), pp. 31–36. doi: 10.3329/gubjse.v5i1.47898.