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Dyfyniad Arddull ChicagoSarason, Seymour Bernard. The Case for Change: Rethinking the Preparation of Educators. San Francisco: Jossey-Bass, 1993.
Dyfyniad MLASarason, Seymour Bernard. The Case for Change: Rethinking the Preparation of Educators. Jossey-Bass, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.