Echano, M. V. M. (1975). Language difficulties encountered in interpreting mathematical statements.
Čikaški stil citiranja (17. izdanje)Echano, Maria Veronica Moralde. Language Difficulties Encountered in Interpreting Mathematical Statements. 1975.
MLA način citiranja (9. izdanje)Echano, Maria Veronica Moralde. Language Difficulties Encountered in Interpreting Mathematical Statements. 1975.
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