Sarkar, T. “SENSITIVITY ANALYSIS FOR AN OPTIMAL CONTROL PROBLEM OF PRODUCTION SYSTEM BASED ON NONLINEAR CONSERVATION LAW”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO) 6, no. 1 (May 13, 2015): 27–39. accessed September 2, 2026. https://ph03.tci-thaijo.org/index.php/jnao/article/view/2767.