Hagel, John.
Net gain : expanding markets through virtual communities. - Boston : Harvard Business School Press, 1997. - index, 239p. ; cm.
Internet Marketing.
Customer Relations.
HF5415.1265.H141
Net gain : expanding markets through virtual communities. - Boston : Harvard Business School Press, 1997. - index, 239p. ; cm.
Internet Marketing.
Customer Relations.
HF5415.1265.H141