1. A study to compare the effectiveness of the differential aptitude tests and the adapted Guyanese tests for identifying aptitudes among students in Guyanese secondary schools /   Publication: Ann Arbor, Mich. : U. M. I. Dissertation Information Services , 1991 . xii, 154 p. : , Thesis (Ph.D) - The American University Washington, D. C. 1969. Date:1991 Availability: No items available: Actions: Add to cart No cover image available No cover image available
2. A study to compare the effectiveness of the differential aptitude tests and the adapted Guyanese tests for identifying aptitudes among students in Guyanese Secondary schools /   Publication: Washington, D.C. : The American University, 1969 . xii, 154 p. : Date:1969 Availability: Copies available: Turkeyen Campus Caribbean Research Library [BF 431 H48] (1), Actions: Add to cart No cover image available No cover image available