Analytical Characterization of Butter Oil Enriched with Omega-3 and 6 Fatty Acid Sthrough Chia (Salvia hispanica L.) Seed Oil. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 16, n. 2, p. 68 – 71, 2015. DOI: 10.21743/. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/305. Acesso em: 5 nov. 2025.