E. F. Lindquist, Robert L. Ebel & John Haefner.
Cooperative test on recent social and scientific developments. Form 1949.
R638717. Cooperative test on recent social and scientific developments. Form 1949. By E. F. Lindquist, Robert L. Ebel & John Haefner. © 1Apr49; AA119614. Educational Testing Service (PWH); 17May76; R638717.
Educational Testing Service|PWH