FARKYA, Sunita; YADAV, Ramanand. WEB WATCH. SCHOOL SCIENCE, [S. l.], v. 56, n. 1, p. P.71–72, 2018. Disponível em: http://ejournals.ncert.gov.in/index.php/SS/article/view/2639. Acesso em: 19 aug. 2025.