Effectiveness in teaching / by Winslow R. Hatch and Ann Bennet

Author: Hatch, Winslow Roper, 1908-1980
Published: [Washington] : U.S. Dept. of Health, Education, and Welfare, Office of Education, [1960]
Physical Description: v, 28 pages ; 23 cm.
Additional Creators: Bennet, Ann Barbara (Fishman), 1934-