Beta Carotene Determination in Different Vegetables by High Performance Liquid Chromatography. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 23, n. 1, p. 160–167, 2024. DOI: 10.21743/pjaec/2022.06.16. Disponível em: http://pjaec.pk/index.php/pjaec/article/view/29. Acesso em: 3 jul. 2025.