Aguilar, J. V. (1958). Some difficulties in the use of problem-solving in teaching. Education Quarterly.
Chicago Style (17. basım) AtıfAguilar, Jose V. "Some Difficulties in the Use of Problem-solving in Teaching." Education Quarterly 1958.
MLA (9th ed.) AtıfAguilar, Jose V. "Some Difficulties in the Use of Problem-solving in Teaching." Education Quarterly, 1958.
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