AL AID R.R. SINHA. Suspense Box: A New Visual Aid. Indian Journal of Extension Education, India, v. 17, n. 3-4, 2024. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/161156. Acesso em: 27 oct. 2025.