SRIVASTAVA, V.P.; SINGH, Samarjit. WEB WATCH. SCHOOL SCIENCE, [S. l.], v. 49, n. 3, p. 71–72, 2011. Disponível em: https://ejournals.ncert.gov.in/index.php/SS/article/view/1174. Acesso em: 1 jan. 2026.