V.NAGALAKSHMI et al. VISIBLE SPECTROPHOTOMETRIC METHODS FOR THE QUANTITATIVE ESTIMATION OF LOPINAVIR IN THEIR FORMULATIONS. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 10, n. 6, p. 96–101, 2023. DOI: 10.17605/OSF.IO/4V8TK. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/3635.. Acesso em: 4 jan. 2025.