Development of Pinboard Using Eggshells and Ricebran. The International Review of Multidisciplinary Research, [S. l.], v. 1, n. 6, p. 724–732, 2026. DOI: 10.5281/zenodo.20559690. Disponível em: https://vertexcorp.org/index.php/irmr/article/view/605. Acesso em: 11 jun. 2026.