GUPTA, N.. Interactive fuzzy goal programming approach in multi-response stratified sample surveys. Yugoslav Journal of Operations Research, [S.l.], v. 26, n. 2, oct. 2016. ISSN 2334-6043. Available at: <http://yujor.fon.bg.ac.rs/index.php/yujor/article/view/514>. Date accessed: 01 may 2024.