RAJU, B.M.K.; SINGH, Avtar. Educational Development in India at Elementary Level: An Interstate Perspective. INDIAN EDUCATIONAL REVIEW, [S. l.], v. 49, n. 2, p. p. 64–79, 2011. Disponível em: http://ejournals.ncert.gov.in/index.php/ier/article/view/2400. Acesso em: 19 aug. 2025.