KOUL LOKESH. (1986). METHODOLOGY OF EDUCATION RESEARCH. VIKAS PUBLISHING HOUSE PVT. LTD.
Čikaški stil citiranja (17. izdanje)KOUL LOKESH. METHODOLOGY OF EDUCATION RESEARCH. NEW DELHI: VIKAS PUBLISHING HOUSE PVT. LTD, 1986.
MLA način citiranja (9. izdanje)KOUL LOKESH. METHODOLOGY OF EDUCATION RESEARCH. VIKAS PUBLISHING HOUSE PVT. LTD, 1986.
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