New Mexico State University Computing Research Laboratory. - Yorick Wilks; David Farwell; Afzal Ballim; Roger Hartley (HLT (1), 1989)

Belief Ascription and Model Generative Reasoning: joining two paradigms to a robust parser of messages. - Yorick Wilks; Roger Hartley (HLT (2), 1989)

Metabolizing Music. - Eric Iverson; Roger Hartley (ICMC, 1990)

On the Dynamics of Learner Models. - Ana Paiva 001; John A. Self; Roger Hartley (ECAI, 1994)

Managing models of collaborative learning. - Roger Hartley (Comput. Educ., 1996)

Learning with artificial worlds: Computer based modelling in the curriculum. : Edited by H. Mellar, J. Bliss, R. Boohan, J. Ogborn and C. Tompsett. The Falmer Press, 1994, 244 pp., ISBN 0-75070313-X (paper). - Roger Hartley (Comput. Educ., 1997)

Developing mathematical problem solving skills. - B. Abidin; Roger Hartley (J. Comput. Assist. Learn., 1998)

Guest Editorial: CAL and AI - a time for rapprochement? - Roger Hartley (J. Comput. Assist. Learn., 1998)

Effective Pedagogies for Managing Collaborative Learning in On-line Learning Environments. - Roger Hartley; Eli Collins-Brown (J. Educ. Technol. Soc., 1999)

Visual Representation of Procedural Knowledge. - Roger Hartley; Heather Pfeiffer (VL, 2000)

Introduction - On-line Collaborative Learning Environments. - Roger Hartley (J. Educ. Technol. Soc., 2000)

Book review. - Roger Hartley (J. Comput. Assist. Learn., 2000)

The Design and Evaluation of Simulations for the Development of Complex Decision-Making Skills. - Roger Hartley; Glen Varley (ICALT, 2001)

Introduction - Innovations in Learning Technology. - Toshio Okamoto; Roger Hartley (J. Educ. Technol. Soc., 2002)

ICT, Pedagogy and the Curriculum. - Roger Hartley (J. Comput. Assist. Learn., 2003)

Building Effective Project Teams. - Roger Hartley (J. Comput. Assist. Learn., 2003)

On the design of lottery games. - Roger Hartley; Gauthier Lanot (J. Oper. Res. Soc., 2003)

Multimodal communication and articulation in e-learning. - Adel Elsayed; Roger Hartley; Yongqiang Qiu (AICCSA, 2005)

Active Multimodal Presentations (AMPs), Instructional Designs and Learner Autonomy. - Roger Hartley (ICALT, 2005)

The Anatomy of an Active Multimodal Presentation in Educational Contexts. - Roger Hartley; Adel Elsayed; Milena Pesheva (ICALT, 2005)

Communication, conceptualization and articulation. - Adel Elsayed; Roger Hartley (Interact. Technol. Smart Educ., 2005)

Interactive Dramaturgies: New Approaches in Multimedia Content and Design. - Roger Hartley (J. Comput. Assist. Learn., 2005)

Communication and Interaction in Machine Mediated Multimodal Learning Systems: Some Design Issues. - Roger Hartley (ICALT, 2006)

Heterogeneous demand responses to discrete price changes: an application to the purchase of lottery tickets. - Roger Hartley; Gauthier Lanot (Comput. Stat. Data Anal., 2006)

Communication and Design in Multimodal Presentations. - Roger Hartley; Adel Elsayed; Milena Pesheva (ICALT, 2007)

Preparing Coming Generations of Educational Technologists: Technology, Pedagogy and Curricula–Changes and Challenges. - Roger Hartley; Kinshuk; Rob Koper (ICALT, 2007)

User oriented techniques to support interaction and decision making with large educational databases. - Roger Hartley; Saud M. Y. Almuhaidib (Comput. Educ., 2007)

Supporting Conceptualisations and Learning through Multimodality. - Roger Hartley; Adel Elsayed; Milena Pesheva (ICALT, 2008)

A Competency Approach: Implications for E-Learning and E-Assessment. - Mike Spector; Roger Hartley; Rob Koper; Kinshuk; Adel Elsayed (ICALT, 2008)

CACTUS: Command and control training using knowledge-based simulations. - Roger Hartley; Andrew Ravenscroft; R. J. Williams (Br. J. Educ. Technol., 2008)

The strategic Marshallian cross. - Alex Dickson; Roger Hartley (Games Econ. Behav., 2008)

Presenting and Representing Knowledge to Develop Understanding. - Roger Hartley; Adel Elsayed; Milena Pesheva (ICALT, 2009)

The Education and Training of Learning Technologists: A Competences Approach. - Roger Hartley; Kinshuk; Rob Koper; Toshio Okamoto; J. Michael Spector (J. Educ. Technol. Soc., 2010)

Conceptualising and supporting the learning process by conceptual mapping. - Roger Hartley (Smart Learn. Environ., 2014)