Emmer, E. T. (2009). Classroom management for middle and high school teachers. Upper Saddle River, N.J: Pearson.
Dyfyniad Arddull ChicagoEmmer, Edmund T. Classroom Management for Middle and High School Teachers. Upper Saddle River, N.J: Pearson, 2009.
Dyfyniad MLAEmmer, Edmund T. Classroom Management for Middle and High School Teachers. Upper Saddle River, N.J: Pearson, 2009.
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