Platon, E. P. (1977). Difficulties encountered by grade six pupils in interpreting word problems on elementary mathematics.
Citace podle Chicago (17th ed.)Platon, Eufrosina Peñaflor. Difficulties Encountered by Grade Six Pupils in Interpreting Word Problems on Elementary Mathematics. 1977.
Citace podle MLA (9th ed.)Platon, Eufrosina Peñaflor. Difficulties Encountered by Grade Six Pupils in Interpreting Word Problems on Elementary Mathematics. 1977.
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