End-of-course test in Economics, principles and problems. Course no.EM763. By the examinations staff, Ralph W. Tyler, director.
UNITED STATES ARMED FORCES INSTITUTE, MADISON, WIS. End-of-course test in Economics, principles and problems. Course no.EM763. By the examinations staff, Ralph W. Tyler, director. © 27Aug45; AA19546. Educational Testing Service (PWH); 30Oct72; R538753.
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