Conversion of Tertiary Objective Stratified Sampling Design into Fractional Goal Programming. Journal of Statistics, [S. l.], v. 24, 2017. DOI: 10.65463/jstat.2017.45. Disponível em: https://jstat.gcu.edu.pk/index.php/jstat/article/view/45. Acesso em: 12 aug. 2026.