List of Articles الگوریتم دستههای میگو Open Access Article Abstract Page Full-Text 1 - A multi-objective mathematical model in an educational system with online and face-to-face learning courses during the Coronavirus pandemic Mohammad-Saviz Asadi-Lari Maryam Abbas-Ghorbani Reza Tavakkoli-Mogahddam 10.30495/jnrm.2022.70606.2351