[book] Anderson, L.W. / 2001 / A Taxonomy For Learning, Teaching, And Assessing: A Revision of Bloom’s Taxonomy of Educational Objectives, Complete Edition / Addison Wesley Longman

[confproc] Baumgartner, Peter / 2004 / ROI: Reusable Object and Instruction Paradox / Keynote at the 9th EuropeanConference on Media in Higher Education GMW

[book] Baumgartner, Peter / 2005 / Wiederverwendung von Lernobjekten aus didaktischer Sicht, In Auf zu neuen Ufern! E-Learning heute und morgen, Medien in der Wissenschaft, Vol. 34 / Waxmann : 97~107

[journal] Boyle, Tom / 2003 / Design Principles for Authoring Dynamic, Reusable Learning Objects / Australian Journal of Educational Technology 19(1) : 46~58

[journal] El-Rewini, Hesham / 1997 / Roundtable Introduction / IEEE Computer 30(11) : 46~47

[journal] Gilbert, Larry / 1998 / Building interactivity into web courses: Tools for social and instructional interaction / Educational Technology 38(3) : 29~35

[confproc] Han, Peng / 2009 / Generating Animated Learning Objects from Configurable Samples / International Conferenceon Mobile, Hybrid, and On-line Learning (eL&mL 2009) / IEEE Computer Society Press

[web] Hodgins, H. Wayne / 2000 / Into the Future: A Vision Paper, learnitity / http://www.learnativity.com/download/MP7.PDF

[journal] Katz, Richard N. / 2008 / Open to Change: An Interview with Leaders of the Open University / EDUCAUSE review : 58~64

[book] Keegan, Desmond / 2008 / The impact of new technologies on distance learning students / Ericsson

[book] Keegan, Desmond / 2008 / The impact of new technologies on distance learning students / Ericsson

[book] Koper, Rob / 2003 / Combining Reusable Learning Resources to Pedagogically Purposeful Units of Learning, Chapter 5 of: Reusing Online Resources: A Sustainable Approach to eLearning / Kogan Page

[confproc] KNOU / 2008 / / Annual Forum in ODL a KNOU

[book] Koper, R. / 2005 / Learning Design: A Handbook on Modelling and Delivering Networked Education and Training / Springer-Verlag

[journal] Krämer, Bernd J. / 1997 / New Possibilities for Distance Learning / IEEE Computer 30(11) : 46~47

[web] Krämer, Bernd J. / 2007 / Data Analysis Report on the Impact of Technology on Learning in Open Universities and Distance Education. Research Report (ISSN 1865-3944) / FernUniversität in Hagen / http://deposit.fernuni-hagen.de/62/

[book] Krämer, Bernd J. / 2008 / The Impact of Technology on Students at Open and Distance Universities. Chapter 3 / Keegan

[book] Laurillard, Diana / 2002 / Rethinking University Teaching: A Conversational Framework for the Effective Use of Learning Technologies / Routledge Falmer

[web] / 2005 / LOM / http://grouper.ieee.org/groups/ltsc/wg12/20020612-Final-LOM-Draft.html

[web] Peters, Otto / 1975 / Hinweise zu einem allgemeinen didaktischen Konzept für die Entwicklung von Studienmater- ialien im Fernstudium, ZIFF-Papier 1 / http://www.fernuni-hagen.de/ZIFF/ZP_001.pdf

[book] Taylor, James C. / 2000 / New Millennium Distance Education, In The World of Open and Distance Learning / Viva Books Private Ltd

[journal] van Merriënboer, Jeroen J.G. / 2002 / Blueprints for complex learning: The 4C/ID-model / Educational Technology, Research and Development 50(2) : 39~64

[web] Wiley, David A. / 2005 / Connecting learning objects to instructional design theory: A definition, a metaphor, and a taxonomy, The Instructional Use of Learning Objects: Online Version / http://www.reusability.org/read/