Sarkar, T. 2015. “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 (1):27-39. https://ph03.tci-thaijo.org/index.php/jnao/article/view/2767.