RAO, Indumati; RAO, C.N.R. Learning Science (Parts 1 to 4). SCHOOL SCIENCE, [S. l.], v. 44, n. 3, p. p.114–115, 2006. Disponível em: http://ejournals.ncert.gov.in/index.php/SS/article/view/405. Acesso em: 23 aug. 2025.