H-Point Standard Additions method for the simultaneous determination of Paracetamol and Chlorzoxazone in Tablets using addition of both analytes and absorbance increment (?A). International Journal of Advances in Pharmaceutical Analysis, [S. l.], v. 7, n. 1, p. 01–05, 2017. DOI: 10.7439/ijapa.v7i1.4006. Disponível em: https://ssjournals.co.in/index.php/ijapa/article/view/4006. Acesso em: 14 mar. 2026.