SRIDEVI, K. V. ANALYSIS OF EXISTING CLASS III ENVIRONMENT STUDIES TEXTBOOK. SCHOOL SCIENCE, [S. l.], v. 57, n. 2, p. p.76–86, 2026. Disponível em: https://ejournals.ncert.gov.in/index.php/SS/article/view/5217. Acesso em: 26 jul. 2026.