Borich, G. D. (1999). Observation skills for effective teaching (3rd ed.). Upper Saddle River: Merrill.
Dyfyniad Arddull ChicagoBorich, Gary D. Observation Skills for Effective Teaching. 3rd ed. Upper Saddle River: Merrill, 1999.
Dyfyniad MLABorich, Gary D. Observation Skills for Effective Teaching. 3rd ed. Upper Saddle River: Merrill, 1999.
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