Chaudhary, M., & Sharma, S. (2019). Optimality and Duality for Set-Valued Fractional Programming Involving Generalized cone invexity. Journal of Nonlinear Analysis and Optimization: Theory & Applications, 10(1), 35-47. Retrieved from http://www.math.sci.nu.ac.th/ojs302/index.php/jnao/article/view/499