Ibe, M. D. (1965). An experimental study of two methods of teaching multiplication of fractions. s.n.].
Citace podle Chicago (17th ed.)Ibe, Milagros D. An Experimental Study of Two Methods of Teaching Multiplication of Fractions. [Quezon City: s.n.], 1965.
Citace podle MLA (9th ed.)Ibe, Milagros D. An Experimental Study of Two Methods of Teaching Multiplication of Fractions. s.n.], 1965.
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