Vitug, C. P. (1976). An item-analysis and validity study of the science education center elementary mathematics tests for grades 1, 2, and 3. University of the Philippines Library.
Style de citation Chicago (17e éd.)Vitug, Carolina P. An Item-analysis and Validity Study of the Science Education Center Elementary Mathematics Tests for Grades 1, 2, and 3. Quezon City: University of the Philippines Library, 1976.
Style de citation MLA (9e éd.)Vitug, Carolina P. An Item-analysis and Validity Study of the Science Education Center Elementary Mathematics Tests for Grades 1, 2, and 3. University of the Philippines Library, 1976.
Attention : ces citations peuvent ne pas être correctes à 100%.