Tutorial Dialog in an Equation Solving Intelligent Tutoring System. - Leena M. Razzaq; Neil T. Heffernan (Intelligent Tutoring Systems, 2004)

Blending Assessment and Instructional Assisting. - Leena M. Razzaq; Mingyu Feng; Goss Nuzzo-Jones; Neil T. Heffernan; Kenneth R. Koedinger; Brian Junker; Steven Ritter 001; Andrea Knight; Edwin Mercado; Terrence E. Turner; Ruta Upalekar; Jason A. Walonoski; et al. (AIED, 2005)

Scaffolding vs. Hints in the Assistment System. - Leena M. Razzaq; Neil T. Heffernan (Intelligent Tutoring Systems, 2006)

What Level of Tutor Interaction is Best? - Leena M. Razzaq; Neil T. Heffernan; Robert W. Lindeman (AIED, 2007)

A Web-based Authoring Tool for Intelligent Tutors: Blending Assessment and Instructional Assistance. - Leena M. Razzaq; Mingyu Feng; Neil T. Heffernan; Kenneth R. Koedinger; Brian Junker; Goss Nuzzo-Jones; Michael A. Macasek; Kai P. Rasmussen; Terrence E. Turner; Jason A. Walonoski (Intelligent Educational Machines, 2007)

Towards designing a user-adaptive web-based e-learning system. - Leena M. Razzaq; Neil T. Heffernan (CHI Extended Abstracts, 2008)

Comparing Classroom Problem-Solving with No Feedback to Web-Based Homework Assistance. - Leena M. Razzaq; Michael Mendicino; Neil T. Heffernan (Intelligent Tutoring Systems, 2008)

Expanding the Model-Tracing Architecture: A 3rd Generation Intelligent Tutor for Algebra Symbolization. - Neil T. Heffernan; Kenneth R. Koedinger; Leena M. Razzaq (Int. J. Artif. Intell. Educ., 2008)

To Tutor or Not to Tutor: That is the Question. - Leena M. Razzaq; Neil T. Heffernan (AIED, 2009)

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)

Hints: Is It Better to Give or Wait to Be Asked? - Leena M. Razzaq; Neil T. Heffernan (Intelligent Tutoring Systems (1), 2010)

Open Content Authoring Tools. - Leena M. Razzaq; Neil T. Heffernan (Advances in Intelligent Tutoring Systems, 2010)

Feedback during Web-Based Homework: The Role of Hints. - Ravi Singh; Muhammad Saleem 003; Prabodha Pradhan; Cristina Heffernan; Neil T. Heffernan; Leena M. Razzaq; Matthew D. Dailey; Cristine O'Connor; Courtney Mulcahy (AIED, 2011)

4MALITY: Coaching Students with Different Problem-Solving Strategies Using an Online Tutoring System. - Leena M. Razzaq; Robert W. Maloy; Sharon Edwards; David Marshall; Ivon Arroyo; Beverly Park Woolf (UMAP, 2011)