MISHRA, Shashi Kant; 						JHA, Prakash Chandra.
PREFACE TO THE SPECIAL ISSUE.
<strong>Yugoslav Journal of Operations Research</strong>, [S.l.], v. 27, n. 2, p. 133, june 2017.
ISSN 2334-6043.
Available at: &lt;<a href="http://yujor.fon.bg.ac.rs/index.php/yujor/article/view/541" target="_new">http://yujor.fon.bg.ac.rs/index.php/yujor/article/view/541</a>&gt;. Date accessed: 04 may 2024.