Morrison, D. W. (1977). Personal problem solving in the classroom: The reality technique. Wiley.
Chicago-čujuhus (17. p.)Morrison, Donald W. Personal Problem Solving in the Classroom: The Reality Technique. New York: Wiley, 1977.
MLA-čujuhus (9. p.)Morrison, Donald W. Personal Problem Solving in the Classroom: The Reality Technique. Wiley, 1977.
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