[web] Abudi, G / 2010 / Using ROI to Evaluate Project Management Training / http:/ /www.projectsmart.co.uk/using-roi-to-evalua te-project-management-training.html

[book] Bates, A. W / 1995 / Technology, open learning, and distance education / Routledge

[book] Becker, G. S / 1993 / Human Capital: A Theoretical and Empirical Analysis with Special Reference to Education / The University of Chicago Press

[book] Bottomley, J. / 1993 / Dimensions of value: Estimating the benefits of higher and distance education programs, in Economics of distance education / Open Learning Institute Press : 88~103

[book] Cho, Y / 2009 / Developing an integrated evaluation framework for e-learning, in Handbook of research on e-learning applications for career and technical education: Technologies for vocational training / IGI Global : 694~709

[book] Creswell, J. W / 2008 / Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research (3rd) / Pearson Education, Inc

[journal] Galloway, D / 2005 / Evaluating distance delivery and e-learning / Performance Improvement 44 (4) : 21~27

[web] Giertz, T / 2010 / Evaluating e-Learning Investments with Cost-effectiveness Analysis / http://www.learningsolutionsmag.com/articles/435/evaluating-e-learning-investments-with-cost-effectiveness-analysis

[book] Hall, B / 2000 / E-Learning Across the Enterprise: The Benchmarking Study of Best Practices / brandon-hall.com

[journal] Hamtini, T. W / 2008 / Evaluating e-learning programs: An adaptation of Kirkpatrick's model to accommodate e-learning environments / Journal of Computer Science 4 (8) : 693~698

[book] Horton, W / 2001 / Evaluating E-Learning / the American Society for Training and Development

[book] Kirkpatrick, D. L / 1998 / Evaluating Training Programs: The Four Levels / Berrett-Koehler Publishers

[journal] McLinden, D / 1998 / Getting to parallel: Assessing the return on expectations of training / Performance improvement 37 (8) : 21~26

[journal] Mincer, J / 1958 / Investment in Human Capital and Personal Income Distribution / The Journal of Political Economy 66 (4) : 381~302

[book] Phillips, J. J / 1997 / Handbook of Training evaluation and measurement methods. (3rd ed.) / Gulf Publishing

[book] Phillips, J. J / 2002 / How to measure training results / McGraw-Hill

[journal] Psacharopoulos, G. / 1985 / Returns to Education: A Further International Update and Implications / The Journal of Human Resources 20 (4) : 583~604

[book] Rogenberg, M. J. / 2001 / E-Learning: Strategies for delivering knowledge in the digital age / McGraw-Hill

[book] Rumble, G / 1993 / The economics of mass distance education, in Distance education: Newperspective / Routledge

[web] Schooley, C. / 2009 / The ROI of e-learning / http://www.kmworld.com/Articles/PrintArticle. asp x?ArticleID=54973

[journal] Schultz, T. W. / 1961 / Investment in Human Capital / The American Economics Review 51 (1) : 1~17

[journal] Stolovitch, H. D / 1998 / Calculating the return on investment in training: A critical analysis and a case study / Performance improvement 37 (8) : 9~20

[journal] Strother, J / 2002 / An Assessment of Effectiveness of E-Learning in Corporate Training Programs / International Review of Research in Open and Distance Learning 3 (1) : 1~17

[journal] Whalen, T / 1999 / Methodology for Cost-Benefit Analysis of Web-based Tele-Learning: Case Study of the Bell Institute / The American Journal of Distance Education 13 (1) : 24~44

[confproc] ickang / 2007 / Recent Trends and Practices in Evaluating Return on Investment of Corporate Education / The 10th Conference Proceedings of The Korean Society for CorporateEducation : 245~255

[journal] 고윤석 / 2005 / Design of the procedural ROI Process Model for Human Resources programs / 교육공학연구 / 한국교육공학회 21 (2) : 153~186

[book] sjkim / 2007 / An Analysis of Return on Investment of American Corporations / The Magazine of Human Resources Management, Korea Personnel Improvement Associate

[book] iwpaik / 2007 / Educational Economics / Hakjisa

[journal] ikoh / 2000 / Evaluating Learning Effectiveness of Web-based Training in terms of the Kirkpatrick's 4-level Model / Journal of Corporate Education 2 (1) : 71~92

[book] ymyou / 2000 / Dead Corporate Education, Live Digital Learning / KPI Publishing Co

[journal] ysyoon / 2000 / Strategies for Successful Utilization of Cyber Education in Corporations; Case of LG Academy / Journal of Corporate Education 2 (1) : 93~117

[book] slee / 2003 / The Human Resources Scorecard Measuring the Return on Investment / Hakjisa

[journal] jhleem / 2000 / The Analysis of Return on Investment in Web-Based Training / Journal of Corporate Education 2 (1) : 195~218

[journal] Journal of Corporate Education / 2001 / A Study on Cost, Benefits, and Methodology Framework for Cost-Benefit Analysis in Web-Based Education / Journal of Corporate Education 3 (1) : 49~75

[journal] icjang / 1998 / Evaluation of Corporate Education: New Trends of Evaluation and Return on Investment / The Korean Society for Training and Development 4 : 75~98

[book] jsjung / 2002 / A Study on Evaluating Corporate e-Learning / EhwaWomens Univ

[journal] jsjung / 2003 / A Study on e-Learning Evaluation : Literature Review / Ewha Journal of Ecuational Research 34 (1) : 73~94

[confproc] jhjung / 2004 / Challenges of Wage Negotiations: Focusing on Coordination of Wages and Productivity: Wage Difference and Productivity / The Proceedings of The Korean Labor Economic Association : 1~29