ETEMAD, R., & 		ALIZADEH, B.
(2016).
 SOME VARIANTS OF REVERSE SELECTIVE CENTER LOCATION PROBLEM ON TREES UNDER THE CHEBYSHEV AND HAMMING NORMS.
<em>Yugoslav Journal Of Operations Research, 27</em>(3), 367–384.
Retrieved from <a href="https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/34" target="_new">https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/34</a>