Situated Planning and Resources in the Design of an Intelligent Tutorial. - Mahmoud Boufaïda; Patrick Barril (ACM Conference on Computer Science, 1993)

Class Cooperation in a Dedicated Object System: The Force Authoring Environment. - Patrick Barril; Mahmoud Boufaïda; Jean-François Brette (TOOLS (10), 1993)

A multi-layered architecture for managing graphical interfaces and tutoring mixed-strategy dialogues. - Mahmoud Boufaïda; Patrick Barril (Softw. Pract. Exp., 1999)