ABD-ALATY, Nashat M. M.; EL-AWADY, Mohamed E. Quantitative Analysis of Thorium in Standard Samples and Monazite Sands using Nornicotine Alkaloid: doi.org/10.26538/tjnpr/v4i9.9. Tropical Journal of Natural Product Research (TJNPR), [S. l.], v. 4, n. 9, p. 545–549, 2020. Disponível em: https://www.tjnpr.org/index.php/home/article/view/1129. Acesso em: 18 may. 2024.