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521
Predictive validity of the Pilipino Otis-Lennon mental ability tests, elementarya I and elementarya II (Porma "J") [microform]
Argitaratua 1980Visual Material -
522
-
523
Changes in mathematical achievement, 1973-78 results from the second assessment of mathematics
Argitaratua 1979Liburua -
524
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525
-
526
-
527
The need for measuring creative ability in Mathematics
Argitaratua izan da Philippine Quarterly of Culture & Society (1979)Analytics -
528
-
529
Correlation of fourth year high school students' attitude, mental ability and achievement in mathematics [microform].
Argitaratua 1979Visual Material -
530


