Arvind Singhal (Ed)
Communication of innovations A journey with ev rogers - London Sage 2006 - 260 p.
0761934774
Communication / Communication of technical information
302 . 2 COA /
Communication of innovations A journey with ev rogers - London Sage 2006 - 260 p.
0761934774
Communication / Communication of technical information
302 . 2 COA /