Optimized Nonlinear Grey Bernoulli Model for Nowcasting the Philippine Gross Domestic Product. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 4, p. 6875, 2025. DOI: 10.29020/nybg.ejpam.v18i4.6875. Disponível em: https://www.ejpam.com/ejpam/article/view/6875. Acesso em: 23 feb. 2026.