Factors of intelligance of college students in the Philippines on mental determined by me Otis quick-scoring mental ablity test, Gamma, Fm, and the measure of intellectual maturation - Hayden, David Lee, 1934- (Ann Arbor, Mich. : University Microfilms International, 1969)
Thesis (Ph.D.) - The Catholic University of America, 1986.
Keywords: Intelligence levels -- Philippines; Otis quick -- Scoring mental ability test; College Students -- Philippines