Sabah Abbas, Elaf, Emad Kuffi, and Sarah Faleh Maktoof Al Khozai. “Solving an Improved Heat Transmission Measuring Equation Using Partial Differential Equations With Variable Coefficients”. International Journal of Engineering & Technology 7, no. 4 (March 22, 2019): 5258–5260. Accessed May 2, 2024. https://sciencepubco.com/index.php/ijet/article/view/25590.