NAM-PHUONG NGUYEN; VAN-THANG LE; HUONG-GIANG NGUYEN; THI THANH-HANG NGUYEN. Teachers’ awareness of happy schools with UNESCO items: A case study of a primary school in Hanoi, Vietnam. The VMOST Journal of Social Sciences and Humanities, [S. l.], v. 64, n. 2, p. 38-47, 2022. DOI: 10.31276/VMOSTJOSSH.64(2).38-47. Disponivel em: https://vmostscience.vjst.vn/index.php/vmost_jossh/article/view/274. Acesso em: 24 jun. 2025.