EDUCATIONAL TESTING SERVICE.
End-of-course test in physics, course III (Electricity) Course no.530.5. By members of the Examinations Staff for the U.S. Armed Forces Institute, Ralph W. Tyler, director.
EDUCATIONAL TESTING SERVICE. End-of-course test in physics, course III (Electricity) Course no.530.5. By members of the Examinations Staff for the U.S. Armed Forces Institute, Ralph W. Tyler, director. © 14Dec43; AA456887. Educational Testing Service (PWH); 24Feb71; R501592.
Educational Testing Service|PWH