Felipe, A. I. (2003). The duty to assess learning. IN Educators speak [column]. Manila Bulletin.
Chicago Style (17. basım) AtıfFelipe, Abraham I. "The Duty to Assess Learning. IN Educators Speak [column]." Manila Bulletin 2003.
MLA (9th ed.) AtıfFelipe, Abraham I. "The Duty to Assess Learning. IN Educators Speak [column]." Manila Bulletin, 2003.
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