AGRAWAL, Shreenabh. Impact of Visual Aid in Creating Awareness about Sustainable Tourism in School Students. JOURNAL OF INDIAN EDUCATION, [S. l.], v. 44, n. 4, p. p. 34–40, 2019. Disponível em: http://ejournals.ncert.gov.in/index.php/jie/article/view/2559. Acesso em: 7 jul. 2025.