@article{article, title  = {{The discrete <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si36.svg"><mml:mi>p</mml:mi></mml:math>-center location problem with upgrading}},

 publisher = {{Elsevier BV}},

 url = {{http://dx.doi.org/10.1016/j.omega.2023.102894 }},

 year = {{2023}},

 month = {{9}},

 author = {{Anton-Sanchez L and Landete M and Saldanha-da-Gama F}},

 doi = {{10.1016/j.omega.2023.102894}},

 volume = {{119}},

 journal = {{Omega}},

 pages = {{102894-102894}},

 note = {{Accessed on 2024/10/23}}}