Alternative Education: An Evaluation Dilemma
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[1] Ralph W. Tyler,et al. Educational evaluation : new roles, new means , 1969 .
[2] Ralph W. Tyler,et al. Basic Principles of Curriculum and Instruction , 1969 .
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[1] Ralph W. Tyler,et al. Educational evaluation : new roles, new means , 1969 .
[2] Ralph W. Tyler,et al. Basic Principles of Curriculum and Instruction , 1969 .