Irwin publications for professional development
Learning Systems Co
William T. Ryan
Learning Systems Co. c1981 Irwin publications for professional development
: pbk
Available at 2 libraries
William W. Pyle, Kermit D. Larson, Roger H. Hermanson
pbk
Available at 1 libraries
Lloyd G. Reynolds ; assisted by Nicholas A. Michas
Available at 3 libraries