YU, Qiumei; JIANG, Zhongdan; GAO, Yi; AI, Yingtong. Research on the Status and Countermeasures of After-school Extended Hours Service in Yunnan Primary Schools: -- Zhaotong City as an Example. Transactions on Economics, Business and Management Research, [S. l.], v. 3, p. 135–141, 2023. DOI: 10.62051/sqz7ch44. Disponível em: https://wepub.org/index.php/TEBMR/article/view/400. Acesso em: 13 aug. 2026.