Zhang, You, Michael O'Shea, and Leping Mou. 2021. “International Students’ Motivations and Decisions to Do a PhD in Canada: Proposing a Three-Layer Push-Pull Framework”. Canadian Journal of Higher Education 51 (2):61-73. https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/189027.