Fatheah Ahmed Hendi, Manal Mohamed Al-Qarni. “The (ð^’/ð)-Expansion Technique for Solving Nonlinear Singular Integral Equation of Heat Transfer: Lighthill Singular Integral Equation”. Design Engineering (June 5, 2021): 1547- 1551. Accessed April 18, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/1860.