DID YOU KNOW: Swachh Bharat Swachh Vidyalaya. THE PRIMARY TEACHER, [S. l.], v. 40, n. 1, p. p.130–139, 2015. Disponível em: http://ejournals.ncert.gov.in/index.php/tpt/article/view/1215. Acesso em: 19 aug. 2025.