Noumerico | Mathematics Education Departement, Tribakti Lirboyo Islamic University. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Noumerico | Mathematics Education Departement, Tribakti Lirboyo Islamic University. Cambridge University Press.
MLA način citiranja (8. izdanje)Noumerico | Mathematics Education Departement, Tribakti Lirboyo Islamic University. Cambridge University Press.
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