Brown, James Dean, Understanding research in second language learning : A teacher's guide to statistics and research design / James dean Brown - 219 páginas - New directions in language teaching . ISBN: 0-521-30524-1 0-521-31551-4 (rustica) Subjects--Topical Terms: Segunda lengua--Adquisicion--Metodos estadisticos LC Class. No.: P118.2 / B76