Baddeley, A. D. (1978). The trouble with levels: A reexamination of Craik and Lockhart’s framework for memory research. Psychological Review, 85, 139-152.
Craik, F. I. M., & Lockhart, R. S. (1972). Levels of processing: A framework for memory research. Journal of Verbal Learning and Verbal Behavior,11, 671-684.
Craik, F. I. M., & Tulving, E. (1975). Depth of processing and the retention of words in episodic memory. Journal of Experimental Psychology; General, 104, 268-294.
de la Fuente, M. J. (2002). Negotiation and oral acquisition of L2 vocabulary: The roles of input and output in the receptive and productive acquisition of words. Studies in Second Language Acquisition,24, 81-112.
Ellis, R., & He, X. (1999). The role of modified input and output in the incidental acquisition of word meaning. Studies in Second Language Acquisition, 21, 285-301.
Ellis, R., Tanaka, Y., & Yamazaki, A. (1994). Classroom interaction, comprehension, and L2 vocabulary acquisition. Language Learning, 44, 449-491.
Hulstijn, J. (2003). Incidental and intentional learning. In Doughty, C; & Long, M. (Eds). The handbook of second language acquisition (pp. 349-381). Oxford: Blackwell Publishing.
Hulstijn, J. H., & Laufer, B. (2001). Some empirical evidence for the involvement load hypothesis in vocabulary acquisition. Language Learning, 51, pp.539-558.
Hunt, A. & Belgar, D. (2005). A framework for developing EFL reading vocabulary. Reading in a Foreign Language, (17)1, 23-59.
Jahangard, A. (2011). An Empirical investigation of the task-induced involvement load hypothesis: A case for intentional learning environment. Biannual Journal of Language Teaching and Literature, (11)2, 7-22.
Joe, A. (1995). Text-based tasks and incidental vocabulary. Second Language Research, 11,149-158.
Joe, A. (1998). What effects do text-based tasks promoting generation have on incidental vocabulary acquisition? Applied Linguistics, 19, 357-377.
Kim, Y.J. (2008). The role of task-induced involvement and learner proficiency in L2 vocabulary acquisition. Language Learning, (58)2, 285-325.
Laufer, B., & Hulstijn, J. H. (2001). Incidental vocabulary acquisition in a second language: The construct of task-induced involvement, Applied Linguistics, 22, 1–26.
Nelson, T. O. (1977). Repetition and depth of processing. Journal of Verbal Learning and Verbal Behavior, 16, 151-171.
Paribakht,T. S., & Wesche, M. (1997). Vocabulary enhancement activities and reading for meaning in second language vocabulary acquisition. In Coady, J. & Huckin, T. (Eds.). Second language vocabulary acquisition: A rationale for pedagogy (pp.174-200). Cambridge: Cambridge University Press.
Rott, S. (2004). A comparison of output interventions and un-enhanced reading conditions on vocabulary acquisition and text comprehension. The Canadian Modern Language Review, 61(2), 169-202.
Widdowson, H. G. (1989). Knowledge of language and ability for use. Applied Linguistics, (10)2, 128-137.
Widdowson, H. G. (2003). Defining issues in English language teaching (pp. 148-164). Oxford: Oxford University Press.