(1990). Distance education: A spectrum of case studies / edited by B.N. Koul and J. Jenkins.
Čikaški stil citiranja (17. izdanje)Distance Education: A Spectrum of Case Studies / Edited by B.N. Koul and J. Jenkins. 1990.
MLA način citiranja (9. izdanje)Distance Education: A Spectrum of Case Studies / Edited by B.N. Koul and J. Jenkins. 1990.
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