SHUPING , Mabihi. Educational Migration across Ecological System Levels: Broadening the PPCT Model to Incorporate International Students’ Migration and Cross-setting Transitions. International Social Sciences and Education Journal , [S. l.], v. 4, n. 2, p. 51–62, 2026. DOI: 10.61424/issej.v4i2.791. Disponível em: https://bluemarkpublishers.net/index.php/ISSEJ/article/view/791. Acesso em: 11 sep. 2026.