(1969). Reducing behavior problems: An operant conditioning guide for teachers / Wesley C. Becker, Don R. Thomas, Douglas Carnine.
Chicago-čujuhus (17. p.)Reducing Behavior Problems: An Operant Conditioning Guide for Teachers / Wesley C. Becker, Don R. Thomas, Douglas Carnine. 1969.
MLA-čujuhus (9. p.)Reducing Behavior Problems: An Operant Conditioning Guide for Teachers / Wesley C. Becker, Don R. Thomas, Douglas Carnine. 1969.
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