Evaluation and Comparison of Two Spectrophotometric Approaches for Tramadol Hydrochloride Quantification in Pharmaceutical Products. Journal of Pure & Applied Sciences , [S. l.], v. 24, n. 3, p. 91–96, 2025. DOI: 10.51984/jopas.v24i3.4012. Disponível em: https://www.sebhau.edu.ly/journal/jopas/article/view/4012. Acesso em: 30 jan. 2026.