Thakur GK, Priya B. An Approach of Second-order Duality for Nondifferentiable Multiobjective Programming Involving (? , ?)-Univexity. tams-v3 [Internet]. 2Mar.2020 [cited 19Jun.2026];:23-5. Available from: https://stm1.bookpi.org/index.php/tams-v3/article/view/1110