SINGH, Ram Pal. NEED FOR INTEGRATING PRE-SCHOOL TO ELEMENTARY EDUCATION. THE PRIMARY TEACHER, [S. l.], v. 36, n. 3-4, p. p.27–32, 2011. Disponível em: https://ejournals.ncert.gov.in/index.php/tpt/article/view/785. Acesso em: 1 jan. 2026.