Cruickshank, D. R. (1990). Research that informs teachers and teacher educators. Phi Delta Kappa Educational Foundation.
Chicago-viite (17. p.)Cruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Indiana: Phi Delta Kappa Educational Foundation, 1990.
MLA-viite (9. p.)Cruickshank, Donald R. Research That Informs Teachers and Teacher Educators. Phi Delta Kappa Educational Foundation, 1990.
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