SINGHA, Boorapa. “Non-Negative Solutions of the Nonlinear Diophantine Equation (8^n)^x + p^y=z^2 for Some Prime Number P”. *Walailak Journal of Science and Technology (WJST)* 18, no. 16 (August 13, 2021): Article 11719 (8 pages). Accessed September 26, 2022. https://wjst.wu.ac.th/index.php/wjst/article/view/11719.