Roberts, A. D. (1975). Educational innovation: Alternatives in curriculum and instruction. Allyn and Bacon.
Dyfyniad Arddull ChicagoRoberts, Arthur D. Educational Innovation: Alternatives in Curriculum and Instruction. Boston: Allyn and Bacon, 1975.
Dyfyniad MLARoberts, Arthur D. Educational Innovation: Alternatives in Curriculum and Instruction. Allyn and Bacon, 1975.
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