Encyclopedia of Information Science and Technology, Third Edition (10 Volumes), Ed. Mehdi Khosrow-Pour pp. 6847-6854 http://www.igi-global.com/chapter/e-culture/113151
Encyclopedia of Information Science and Technology, Third Edition (10 Volumes), Ed. Mehdi Khosrow-Pour pp. 6847-6854 http://www.igi-global.com/chapter/e-culture/113151