Correlates of proportional reasoning among adolescents in the Philippines - Shier, Gloria Cumagun Bulan (Ann Arbor, Mich. UMI Dissertation Services, 1987)
An authorized facsimile made from the microfilm master copy of the original dissertation, pub. by UMI, 1995.
Thesis (Ph.D.)--University of Minnesota, 1986.
Keywords: Reasoning (Psychology); Proportion; Ratio and proportion