1. Abedor, A. J. Development and validation of a model for formative evaluation of self-instructional multi-media learning systems.ERIC ED 064 327, 1972.
2. Baker, E. L. Generalizability of rules for empirical revision.AV Communication Review, 1970,18, 300–305.
3. Baker, E. L., & Alkin, M. C. Formative evaluation of instructional development; ERIC/AVCR annual review paper.AV Communication Review, 1973,21, 389–418.
4. Bjerstedt, A. Mapping the pheno-structure of didactic sequences. Didakometry No. 1,ERIC, ED 131 831, 1964.
5. Burger, V. K. Design, production, evaluation, and revision of a self-instructional package for the HP-45 electronic slide rule.ERIC, ED 104 721, 1974.