First order derivative and dual wavelength spectrophotometry methods development and validation for simultaneous estimation of alogliptin and pioglitazone in bulk and dosage form. International Journal of Pharmaceutical Chemistry, [S. l.], v. 4, n. 1, p. 21–31, 2014. DOI: 10.7439/ijpc.v4i1.56. Disponível em: https://ssjournals.co.in/index.php/ijpc/article/view/1318. Acesso em: 2 apr. 2026.