2David A. Wiley, Utah State University. Connecting learning objects to instructional design theory: A definition, a metaphor, and a taxonomy. Available: [DB/OL]. http ://www. reusability.org/read/chapters/wiley. doc.4/042002. 被引量：1
3IEEE P1484.12/D6.10, Draft Standard for Learning Object Metadata. Available: [DB/OL]. http :// ltsc. ieee. org/wg12/, 4/04/2002. 被引量：1
4Cisco Systems, Inc. April 22, 2000: Reusable Learning Object Strategy: Definition, Creation Process, and Guidelines for Building, Available : [DB/OL]. http ://www. cisco, com/warp/public /10/wwtraining/elearning/impl ement/rlo-strategy- v3- 1. pdf, 23/04/2002. 被引量：1
5Clive Shepherd, Objects of interest ,Available: [DB/OL]. http://www. fastrak-consultin g. co. uk/tactix/features/objects/ objects. htm. 4/12/2001. 被引量：1
