Villaver, E. S. (1988). Mathematics instructions in grade I schools District of Sagbayan, 1987-1988: Implications to teaching proficiency and effectiveness.
Citace podle Chicago (17th ed.)Villaver, Eugenia Sitoy. Mathematics Instructions in Grade I Schools District of Sagbayan, 1987-1988: Implications to Teaching Proficiency and Effectiveness. 1988.
Citace podle MLA (9th ed.)Villaver, Eugenia Sitoy. Mathematics Instructions in Grade I Schools District of Sagbayan, 1987-1988: Implications to Teaching Proficiency and Effectiveness. 1988.
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