Lima, Juliana. A., Rodrigo R. Catharino, and Helena T. Godoy. “Validation of Methodology for Determination of Folic Acid Enriched Margarine and Evaluation of the Stability of the Vitamin During Stockage”. Instituto Adolfo Lutz Journal - RIAL 63, no. 1 (June 30, 2004): 10–14. Accessed December 7, 2025. https://periodicos.saude.sp.gov.br/RIAL/article/view/34736.