Lange, Programed Instruction.
Lange, Programed Instruction.
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Lange, Phil C. (Ed.): Programed Instruction. Chicago: University of Chicago Press 1967. Gr.-8°. XII, 334 S., 13 Abbildungen, Leinen (gut erhalten) (=The sixty-sixth yearbook of the National Society for the Study of Education, Part 2). CHF 14.00 |
 Lange, Programed Instruction. (Umschlag) |