Research methodology /
Das, G.
Research methodology / Das, G. - New Delhi : Manu enterprises, 1993. - iv, 168 p. : 20 cm.
Research--Methodology.
Technical writing.
001.422 / DAR
Research methodology / Das, G. - New Delhi : Manu enterprises, 1993. - iv, 168 p. : 20 cm.
Research--Methodology.
Technical writing.
001.422 / DAR