Shank, M. (1993). Succeeding with difficult students: Workbook. Lee Canter & Associates.
Dyfyniad Arddull ChicagoShank, Marcia. Succeeding with Difficult Students: Workbook. California, U.S.: Lee Canter & Associates, 1993.
Dyfyniad MLAShank, Marcia. Succeeding with Difficult Students: Workbook. Lee Canter & Associates, 1993.
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