DEEPSI. Analysing Cause & Effect Lag Relationship between Spot & Future Returns of Agro Commodities. Journal of Informatics Education and Research, [S. l.], v. 5, n. 1, 2025. DOI: 10.52783/jier.v5i1.2394. Disponível em: http://jier.org/index.php/journal/article/view/2394. Acesso em: 5 mar. 2026.