Continuous Flow Injection Analysis (CFIA) of Metformin Hydrochloride using Microphotmeter Equipped with 530 and 550nm LED. Al-Nahrain Journal of Science, [S. l.], v. 16, n. 4, p. 29–36, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/516.. Acesso em: 6 may. 2024.