Madrid, R. F. (1999). Performance level and difficulties of college freshmen in basic mathematics problem solving. Saint Mary's University Research Journal.
Chicago Style aipamenaMadrid, Romeo F. "Performance Level and Difficulties of College Freshmen in Basic Mathematics Problem Solving." Saint Mary's University Research Journal 1999.
MLA aipamenaMadrid, Romeo F. "Performance Level and Difficulties of College Freshmen in Basic Mathematics Problem Solving." Saint Mary's University Research Journal, 1999.
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