Zhe Zhang, Yingzhen Wang, and Wenyuan Sun. “Application of Nonlinear Programming to Heat Conduction Model”. International Journal of Engineering and Management Research 8, no. 5 (October 31, 2018): 169–172. Accessed March 17, 2026. https://ijemr.vandanapublications.com/index.php/j/article/view/605.