| 1 |  | Second language acquisition : An introductory course / Susan M. Gass, Jennifer Behney, Luke Plonsky . - 5th ed. - New York : Routledge, 2020. - xxiii, 749 p. ; 26 cm
Thông tin xếp giá: 400/A.000457 |
| 2 | | Second language research : Methodology and design / Alison Mackey, Susan M. Gass . - 3rd ed. - New York : Routledge, 2022. - xviii, 523 p. : ill. ; 23 cm
Thông tin xếp giá: 400/A.000483 |