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.