Separation of Tramadol and Paracetamol in Pharmaceutical Formulations Using Thin Layer Chromatography with Sustainable Solvents Aligned to Pfizer’s Green Chemistry Guidelines". International Journal of Environmental Sciences, [S. l.], v. 11, n. 10s, p. 741–754, 2025. DOI: 10.64252/f37hbj43. Disponível em: https://theaspd.com/index.php/ijes/article/view/1658.. Acesso em: 1 apr. 2026.