by Valdes, Guadalupe
Published in Harvard educational review (01.10.1997)

by Olson Beal, Heather K, Haj-Broussard, Michelle, Boudreaux, Nicole
Published in Research in the schools (01.10.2012)

by CAMMARATA, LAURENT, TEDICK, DIANE J.
Published in The Modern language journal (Boulder, Colo.) (01.06.2012)

by Lo, Yuen Yi, Lo, Eric Siu Chung
Published in Review of educational research (01.03.2014)

by Slavin, Robert E, Cheung, Alan
Published in Review of educational research (01.06.2005)

by Lyster, Roy
Published in Studies in second language acquisition (01.09.2004)

by Rich, Peter J., Leatham, Keith R., Wright, Geoffrey A.
Published in Instructional science (01.03.2013)

by Pica, Teresa
Published in The Modern language journal (Boulder, Colo.) (2002)

by Boudreaux, Nicole S
Year of Publication 01.01.2010

by Veilleux, Ingrid, Bournot-Trites, Monique
Published in Canadian journal of education (2005)

by Met, Myriam
Year of Publication 01.11.1993

by Fortune, Tara W, Tedick, Diane J
Year of Publication 01.08.2003

by Rothstein, Richard
Published in Phi Delta Kappan (01.05.1998)

by Krashen, Stephen
Published in Phi Delta Kappan (01.05.1999)

by Hawson, Anne
Published in The Bilingual review (01.05.1996)

by Lapkin, Sharon, Andrew, Christine M., Harley, Birgit, Swain, Merrill, Kamin, Jill
Published in Canadian journal of education (01.01.1981)

by Yuan, Shizhan
Year of Publication 01.01.2019

by Burnaby, Barbara
Published in Cultural Diversity and Canadian Education (15.04.1984)

by Kote, Zamira
Published in Social and natural sciences journal (10.09.2011)

by Salgado, Herlinda Arlene Galve
Year of Publication 01.01.2016