| Second language acquisition: An introductory course SM Gass, J Behney, L Plonsky Routledge, 2020 | 9326 | 2020 |
| Second language research: Methodology and design A Mackey, SM Gass Routledge, 2015 | 7127 | 2015 |
| Input, interaction, and the second language learner SM Gass Routledge, 2013 | 3878 | 2013 |
| Stimulated recall methodology in second language research SM Gass, A Mackey Routledge, 2013 | 2417 | 2013 |
| Non-native/non-native conversations: A model for negotiation of meaning EM Varonis, S Gass Applied linguistics 6 (1), 71-90, 1985 | 1647 | 1985 |
| Input, interaction, and second language production SM Gass, EM Varonis Studies in second language acquisition 16 (3), 283-302, 1994 | 1323 | 1994 |
| Input, interaction, and output in second language acquisition SM Gass, A Mackey Theories in second language acquisition, 194-220, 2014 | 1258 | 2014 |
| How do learners perceive interactional feedback? A Mackey, S Gass, K McDonough Studies in second language acquisition 22 (4), 471-497, 2000 | 1240 | 2000 |
| Input and interaction SM Gass The handbook of second language acquisition, 224-255, 2003 | 1225 | 2003 |
| Language Transfer in Language Learning. Issues in Second Language Research. SM Gass, L Selinker Newbury House Publishers, Inc., Rowley MA 0l969, 1983 | 1187* | 1983 |
| Integrating Research Areas: A Framework for Second Language Studies1 SM Gass Applied linguistics 9 (2), 198-217, 1988 | 1108 | 1988 |
| Input in Second Language Acquisition. SM Gass, CG Madden Newbury House Publishers, Inc., Rowley, MA 01969, 1985 | 952 | 1985 |
| Language transfer in language learning: Revised edition SM Gass, L Selinker John Benjamins Publishing, 1992 | 930 | 1992 |
| The effect of familiarity on the comprehensibility of nonnative speech S Gass, EM Varonis Language learning 34 (1), 65-87, 1984 | 927 | 1984 |
| The effects of captioning videos used for foreign language listening activities P Winke, S Gass, T Sydorenko University of Hawaii National Foreign Language Resource Center, 2010 | 682 | 2010 |
| Input, interaction and output: An overview SM Gass, A Mackey AILA review 19 (1), 3-17, 2006 | 663 | 2006 |
| Research methods in second language acquisition: A practical guide A Mackey, SM Gass John Wiley & Sons, 2011 | 636* | 2011 |
| The role of input and interaction in second language acquisition: Introduction to the special issue SM Gass, A Mackey, T Pica Modern Language Journal, 299-307, 1998 | 597 | 1998 |
| Data elicitation for second and foreign language research SM Gass, A Mackey Routledge, 2007 | 576 | 2007 |
| Task variation and nonnative/nonnative negotiation of meaning S Gass, E Varonis Input in second language acquisition, 149-161, 1985 | 575 | 1985 |
