RATANAWIMARNWONG, N.; SUKSOMPHOT, V.; MANTIM, T.; KARUWAN, C. Development of Tannin Modified Membrane for Spectrophotometric Determination of Lead . Science Essence Journal, [S. l.], v. 39, n. 1, p. 52–64, 2023. Disponível em: https://ejournals.swu.ac.th/index.php/sej/article/view/15157. Acesso em: 7 oct. 2024.