00377nam a2200133Ia 4500003000400000008004100004020002500045040000800070100001900078245006800097260005000165300001500215365001300230LDD181029s9999    xx            000 0 und d  a1591401054cUS74.95  cLDD  aGhaoui, Claude 0aUsability evaluation of online learning programscClaude Ghaoui  aHersheybInformation Science Publishingc2003  aviii,423p.  bUS74.95