Patricia A. Duff

1. How Much Foreign Language Is There in the Foreign Language Classroom?
   1990/06/01 by PATRICIA A. DUFF, Patricia A. Duff, Charlene Polio +1 · 8 citations
   Arts and Humanities · Social Sciences · #EFL/ESL Teaching and Learning #Second Language Learning and Teaching #Multilingual Education and Policy
2. Teachers' Language Use in University Foreign Language Classrooms: A Qualitative Analysis of English and Target Language Alternation
   1994/09/01 by CHARLENE G. POLIO, Charlene Polio, Patricia A. Duff +1 · 7 citations
   Arts and Humanities · Social Sciences · #EFL/ESL Teaching and Learning #Multilingual Education and Policy #Second Language Learning and Teaching