Certified Assessment Artifacts for ePortfolios. - Nicholas L. Carroll; Rafael A. Calvo (ICITA (2), 2005)

Integrating Web Applications and Web Services. - Nicholas L. Carroll; Rafael A. Calvo (ICWE, 2005)

E-Portfolios for Developing Transferable Skills in a Freshman Engineering Course. - Nicholas L. Carroll; Lina Markauskaite; Rafael A. Calvo (IEEE Trans. Educ., 2007)