1. Acclaim (2013). Open badges for higher education. Pearson Learning. Retrieved from http://www.pearsonlearningsolutions.com/blog/wp-content/uploads/2013/12/Open-Badges-for-Higher-Education.pdf.
2. Alverno College (2015). “Diagnostic Digital Portfolio”. Retrieved on 3/31/15 from http://ddp.alverno.edu. .
3. Assessment 2020: Seven propositions for assessment reform in higher education;Boud;Sydney: Australian Learning and Teaching Council,2010
4. Shape of Things to Come: Higher Education Global Trends and Emerging Opportunities to 2020;British Council;Global Edition: Going Global 2012.,2012
5. Conference on College Composition and Communication (CCCC) committee (2015). “Principles and Practices in Electronic Portfolios”. March, 2015. National Council of Teachers of English. Retrieved on 3/31/2015 from http://www.ncte.org/cccc/resources/positions/electronicportfolios.