Lessons Learned from Scaling Up a Web-Based Intelligent Tutoring System. - Jozsef Patvarczki; Shane F. Almeida; Joseph E. Beck; Neil T. Heffernan (Intelligent Tutoring Systems, 2008)

The ASSISTment Builder: Supporting the Life Cycle of Tutoring System Content Creation. - Leena M. Razzaq; Jozsef Patvarczki; Shane F. Almeida; Manasi Vartak; Mingyu Feng; Neil T. Heffernan; Kenneth R. Koedinger (IEEE Trans. Learn. Technol., 2009)