Hou, Jiawen. “From Preschool Vouchers to Free Quality Preschool Education: A Self-Examination of An Imperfect Policy--Taking Hong Kong As An Example”. Journal of Education, Humanities and Social Sciences 54 (July 8, 2025): 73–78. Accessed September 11, 2026. https://jehss.com/index.php/ojs/article/view/206.