LI, J. A Study on the Problems and Optimization Strategies of the Home-School Collaboration Model in Preschools in the Post-Pandemic Context: A Case Study of HW Preschool: A Case Study of HW Preschool. Pacific International Journal, [S. l.], v. 9, n. 4, p. 63–69, 2026. DOI: 10.55014/pij.v9i4.1050. Disponível em: http://rclss.com/index.php/pij/article/view/1050. Acesso em: 20 aug. 2026.