Yumul, M. M. (1999). A philosophical analysis of first year students' difficulties in basic arithmetical operations.
Chicagoスタイル(17版)引用形式Yumul, Maritess Manaay. A Philosophical Analysis of First Year Students' Difficulties in Basic Arithmetical Operations. 1999.
MLA(9版)引用形式Yumul, Maritess Manaay. A Philosophical Analysis of First Year Students' Difficulties in Basic Arithmetical Operations. 1999.
警告: この引用は必ずしも正確ではありません.