1 Kowal, "Using collaborative language production tasks to promote students' language awareness" 73-93, 1994
2 Swain, M, "Three functions of output in second language learning" Oxford University Press 125-144, 1995
3 Pica, "The textual outcomes of native speaker-non-native speaker negotiation What do they reveal about second language learning? In C Cross-disciplinary perspectives on language study" Lexington 1992198-237
4 Schmidt,R, "The role of consciousness in second language learning" 11 : 129-158, 1990
5 Ko,J, "The effect of negotiation of meaning on the storytelling of adult students in ESL classrooms" 2001
6 Izumi, S, "Testing the output hypothesis: Effects of output on noticing and second language acquisition" 21 : 421-452, 1999
7 Sharwood Smith, "Speaking to many minds On the relevance of different types of language information for the L2 learner" 118-132, 1991
8 Swain, "Some roles of comprehensible input and comprehensible output in its development Input in second language acquisition" 236-244, 1985
9 Swain,M, "Problems in output and the cognitive processes they generate: A step towards second language learning" 16 : 371-391, 1995
10 Krashen,S, "Principles and practice in second language acquisition" Pergaman 1982
1 Kowal, "Using collaborative language production tasks to promote students' language awareness" 73-93, 1994
2 Swain, M, "Three functions of output in second language learning" Oxford University Press 125-144, 1995
3 Pica, "The textual outcomes of native speaker-non-native speaker negotiation What do they reveal about second language learning? In C Cross-disciplinary perspectives on language study" Lexington 1992198-237
4 Schmidt,R, "The role of consciousness in second language learning" 11 : 129-158, 1990
5 Ko,J, "The effect of negotiation of meaning on the storytelling of adult students in ESL classrooms" 2001
6 Izumi, S, "Testing the output hypothesis: Effects of output on noticing and second language acquisition" 21 : 421-452, 1999
7 Sharwood Smith, "Speaking to many minds On the relevance of different types of language information for the L2 learner" 118-132, 1991
8 Swain, "Some roles of comprehensible input and comprehensible output in its development Input in second language acquisition" 236-244, 1985
9 Swain,M, "Problems in output and the cognitive processes they generate: A step towards second language learning" 16 : 371-391, 1995
10 Krashen,S, "Principles and practice in second language acquisition" Pergaman 1982
11 Izumi, S, "Output, input enhancement: An experimental study on ESL relativization" 24 : 541-577, 2002
12 LaPierre, "Language output in a cooperative learning setting Determining its effects on second language learning University of Toronto" Unpublished master's thesis 1994
13 Pica,T, "Interlanguage adjustments as an outcome of NS-NNS negotiated interaction" 38 : 45-73, 1988
14 Sharwood Smith, "Input enhancement in instructed SLA Studies in Second Language Acquisition 15" 165-179, 1993
15 Schmidt, "Implicit and explicit learning of languages" Academic Press 165-209, 1994
16 Takashima,H, "How helpful is output enhancement in promoting accuracy in communicative activity? Paper presented at the Second Language Research Forum" 1994
17 Nobuyoshi,J, "Focused communication tasks and second language acquisition" 47 : 203-210, 1993
18 Long, "Focus on form A design feature in language teaching Foreign language research in cross-cultural perspective" 39-52, 1991
19 Izumi, S, "Does output promote noticing and second language acquisition?" 34 : 239-278, 2000
20 Sharwood Smith,M, "Consciousness-raising and the second language learner" 2 : 159-169, 1981
21 Pica, "Comprehensible output as an outcome of linguistic demands on the learner Studies in Second Language Acquisition 11" 63-90, 1989
22 Tomlin, "Attention in cognitive science and SLA Studies in Second Language Acquisition 16" 1994
23 Gass, "A framework for second language studies" 9 92-106, 1988