Villaroman, E. (1979). Effects of language of instruction on achievement in high school chemistry.
Čikaški stil citiranja (17. izdanje)Villaroman, Edita. Effects of Language of Instruction on Achievement in High School Chemistry. 1979.
MLA način citiranja (9. izdanje)Villaroman, Edita. Effects of Language of Instruction on Achievement in High School Chemistry. 1979.
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