Piaget, J. (1955). The Language and Thought of the Child. New York: Meridian.
Pica, T. (1994). ‘Research on negotiation: what does it reveal about second language
acquisition? Conditions, processes, and outcomes’. in Language Learning 44:
493-527.
Pica, T., and Doughty, C. (1985). ‘Input and interaction in the communicative
language classroom: a comparison of teacher-fronted and group activities’. in
Gass, S. M., and Madden, C. G. (eds). Input Second Language Acquisition.
Cambridge Mass.: Newbury House.
Pica, T., Kanary, R., and Faludon, J. (1993). ‘Choosing and using communication
tasks for second language instruction and research’. in Crookes, G., and Gass, S.
M. (eds). Tasks in Language Learning: Integrating Theory and Practice.
Clevedon: Multilingual Matters.
Politzer, R. (1961). Teaching French: An Introduction to Applied Lingusitics. Boston:
Ginn.
Pollard, A. (1997). Reflective Teaching in the Primary School. London: Cassell.
Ravem, R. (1968). ‘Language acquisition in a second language environment’. in
International Review of Applied Linguistics. VI, 175-85.
Research Methods in Education Handbook. (2001). Milton Keynes: The Open
University.
Richards, J. C. (2001). Curriculum Development in Language Teaching. Cambridge:
Cambridge University Press.
Richards, J. C., and Rodgers, T. S. (1986). Approaches and Methods in Language
Teaching. Cambridge: Cambridge University Press.
Rixon, S. (1992). ‘English and other languages for younger children: practice and
theory in a rapidly changing world’. in Language Teaching 25/ 2: 73-93.
Rogers, A. (1986). Teaching Adults. Milton Keynes: Open University Press.
Rokeach, M. (1968). Beliefs, Attitudes, and Values: A theory of Organization and
Change. San Francisco: Jossey-Bass.
Rommetveit, R. (1985). ‘Language acquisition as increasing linguistic structuring of
experience and symbolic behaviour control’. in Wertsch, J. V. (ed). Culture,
Communication, and Cognition: Vygotskian Perspectives. (183-204)
Cambridge: Cambridge University Press.
Selinker, L. (1972). ‘Interlanguage’ in International Review of Applied Linguistics X:
209-30.
Sepyrgioti, M., Papapetrou, M., Karidi, M., Kosovitsa, K., and Kortesi, Z. (2005). Fun
Way English 2 Coursebook. Athens: Publishing Organisation of Books for the
Hellenic Schools. (ΟΕΔΒ).
88