N. Bailey, Wildkey, Using Handhelds to Identify and Record Wildlife. Paper presented at Handheld Learning, 2006.

J. Bruner, Toward a Theory of Instruction, 1966.

J. P. Byrnes, Cognitive Development and Learning in Instructional Contexts, 1996.

N. Davis, C. Desforges, J. Jessel, B. Somekh, C. Taylor et al., Can quality in learning be enhanced through the use of IT in Somekh, 1997.

Y. Engeström, Learning by expanding: An activity-theoretical approach to developmental research, 1987.
DOI : 10.1017/CBO9781139814744

A. C. Jones, Affective factors in learning with mobile devices in Sharples, M. (Ed) Big Issues in Mobile Learning: Report of a workshop by the Kaleidoscope Network of Excellence Mobile Learning Initiative. Accessed from http, p.6, 2006.

J. Lave and E. Wenger, Situated Learning. Legitimate peripheral participation, 1991.

M. R. Lepper, M. Woolverton, D. L. Mumme, and J. Gurtner, Motivational techniques of Expert Human Tutors: Lessons for the Design of Computer-based Tutors in, Computers as Cognitive Tools. Hillsdale, 1993.

T. W. Malone, What makes computer games fun ? Byte, pp.258-277, 1981.
DOI : 10.1145/800276.810990

N. Naace, Inspecting IT Participate in the digital revolution. BT e-zine. Accessed from http://www.btplc.com/Innovation/mobility/revolution/revolution, Coventry: NCET Oldroyd, A, vol.12, issue.5, p.6, 1994.

O. Malley, Pedagogical methodologies and paradigms: Guidelines for learning/ teaching/ tutoring in a mobile environment Accessed from http, MOBIlearn Report UoN, issue.2, 2005.

S. Papert, Mindstorms: Children, Computers, and Powerful Ideas, 1980.
DOI : 10.1007/978-3-0348-5357-6

A. G. Pask, Conversation Theory: Applications in Education and Epistemology, 1976.

R. D. Pea, Learning Science through Collaborative Visualization over the Internet. Nobel Foundation Virtual Museums Symposium, 2002.
URL : https://hal.archives-ouvertes.fr/hal-00190616

R. D. Pea, Practices of distributed intelligence and designs for educationDistributed cognitions, pp.47-87, 1993.

D. N. Perkins, Person-plus: A distributed view of thinking and learningDistributed cognitions, pp.88-110, 1993.

J. Piaget, The Psychology of Intelligence, 1950.
DOI : 10.4324/9780203278895

A. Ramsden, A. Vle-functionality-in-kukulska-hulme, and J. Traxler, Evaluating a PDA for Delivering Mobile Learning: A Handbook for Educators and Trainers Designing argumentation for conceptual development, Computers and Education, vol.34, pp.241-255, 2000.

M. Sharples, Disruptive devices: mobile technology for conversational learning International Journal of Continuing Engineering Education and Life Long Learning Accessed from http, pp.504-520, 2003.

M. Sharples, Learning As Conversation: Transforming Education in the Mobile Age, Proceedings of Conference on Seeing, Understanding, Learning in the Mobile Age, pp.147-152, 2005.

E. Soloway, Log on education: science in the palms of their hands, Communications of the ACM, vol.42, issue.8, pp.21-27, 1999.
DOI : 10.1145/310930.310953

. S. Squire, Excel in Fieldwork: the Booted Up Bristol project. Paper presented at the The 8th South West of England Schools ICT Conference: Embedding ICT, 2005.

I. Treadwell, Using Portable Technology for Assessment of Practical Performance. Paper presented at Mlearn'05, Cape Town Accessed from http, p.6, 2005.

J. Trinder, Possible Uses of PDAs for Engineering Students with Disabilities. Higher Education Academy - Engineering Subject Centre Accessed from http, 2006.

J. Underwood, Computer based learning. Potential into Practice, 1994.

D. Whyley, Accessed from http, 2006.

J. M. Wishart, A. Ramsden, and A. E. Mcfarlane, PDAs and Handhelds: ICT at your side and not in your face. Technology, Pedagogy and Education
URL : https://hal.archives-ouvertes.fr/hal-00190014

J. Wishart, Cognitive factors related to user involvement with computers and their effects upon learning from an educational computer game, Computers & Education, vol.15, issue.1-3, p.150, 1990.
DOI : 10.1016/0360-1315(90)90140-3
URL : https://hal.archives-ouvertes.fr/hal-00190754