FARKYA, Sunita; KUMAR, Sanjay. SCIENCE NEWS. SCHOOL SCIENCE, [S. l.], v. 52, n. 3, p. p.52–64, 2014. Disponível em: https://ejournals.ncert.gov.in/index.php/SS/article/view/2209. Acesso em: 1 jan. 2026.