Quantile regression analysis of extension program heterogeneous effects on farm income risk management and portfolio optimization. Journal of Agriculture, Forestry and Fisheries, [S. l.], v. 22, n. 2, p. 20–29, 2025. Disponível em: https://jaff.net.ng/index.php/Journal/article/view/32. Acesso em: 17 apr. 2026.