A STUDY OF SOME PHYSICAL PROPERTIES FOR B12 IN AQUEOUS SOLUTION AT FOUR TEMPERATURES. Al-Nahrain Journal of Science, [S. l.], v. 10, n. 1, p. 13–17, 2007. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/1485.. Acesso em: 4 may. 2024.