[1] Md. Humayun Kabir, Umme Ruman, Sharmin Alam, Shamima Islam, Jakia Sultana and Md. Monirul Islam, ‟ Approximate Shortest Distance and Direction between two Places on the Spherical Earth and the Oblate Spherical Earth”, GUB Journal of Science and Engineering, Volume: 08, Page: 49-56, Year: 2022.
[2] Md. Monirul Islam, Muztuba Ahbab, Md. Robiul Islam, and Md. Humayun Kabir, “ On the Exact Soliton Solutions of Some Nonlinear PDE by Tan-Cot Method”, GUB Journal of Science and Engineering, Volume: 05, Page: 31-36, Year: 2018.