Ehlers, Henry Crucial issues in education Henry Ehlers - 5th - N.Y., Chicago Holt, Rinehart and Winston, inc., 1973 - ix, 336p.: tables ; 23 x 15cm Index at the end ISBN: 0030056810 9780030056819 Subjects--Topical Terms: Educational psychology Dewey Class. No.: 370.15/E33c