Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
Hagel, John. Net gain : expanding markets through virtual communities / John Hagel; Arthur G. Armstrong. - [Nachdr.]. - Boston, Mass. : Harvard Business School Press, 1999. XV, 239 S. : graph. Darst. 0875847595 9780875847597 * Armstrong, Arthur G., * Title