ASSI, S. A.; SHAWKAT, S. M. Characterization of Nano Calcium Carbonate Extracted from Eggshells . South Eastern European Journal of Public Health, [S. l.], p. 1681–1686, 2024. DOI: 10.70135/seejph.vi.2185. Disponível em: http://www.seejph.com/index.php/seejph/article/view/2185. Acesso em: 17 dec. 2025.