Kapfer, P. G., & Ovard, G. F. (1971). Preparing and using individualized learning packages for ungraded, continuous progress education. Educational Technology Pub.
Style de citation Chicago (17e éd.)Kapfer, Philip G., et Glen F. Ovard. Preparing and Using Individualized Learning Packages for Ungraded, Continuous Progress Education. Englewood Cliffs, N. J: Educational Technology Pub, 1971.
Style de citation MLA (9e éd.)Kapfer, Philip G., et Glen F. Ovard. Preparing and Using Individualized Learning Packages for Ungraded, Continuous Progress Education. Educational Technology Pub, 1971.
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