NIKSIRAT, Malihe; 						NASSERI, S. Hadi.
Knapsack Problem in Fuzzy Nature: Different Models Based on Credibility Ranking Method.
<strong>Yugoslav Journal of Operations Research</strong>, [S.l.], v. 32, n. 2, p. 203-218, june 2022.
ISSN 2334-6043.
Available at: &lt;<a href="http://yujor.fon.bg.ac.rs/index.php/yujor/article/view/956" target="_new">http://yujor.fon.bg.ac.rs/index.php/yujor/article/view/956</a>&gt;. Date accessed: 17 may 2024.