KHAN, Aerum; SINGH, Alka. Happiness Curriculum and Education of Students of Class VIII from Schools of Delhi. Voices of Teachers and Teacher Educators, [S. l.], v. 12, n. 2, p. p.57–70, 2023. Disponível em: http://ejournals.ncert.gov.in/index.php/vtte/article/view/2844. Acesso em: 19 aug. 2025.