TY - BOOK AU - Tickton,Sidney G. ED - Academy for Educational Development. TI - To improve learning: an evaluation of instructional technology PY - 1970/// CY - New York PB - R. R. Bowker Co. KW - Teaching KW - Aids and devices N1 - v. 1. pt. 1. A report by the Commission on Instructional technology. pt. 2. Instructional technology: selected working papers on the state of the art.-v. 2-. pt. 3. Instructional technology: theories and general applications. pt. 4. Instructional technology: practical considerations. Pt. 5. Instructional technology: implications for business and industry. pt. 6. Instructional technology: economic evaluations; Open access ER -