01494nam a2200277Ia 4500 4668 20250116163850.0 200729s9999||||xx |||||||||||||| ||und|| 0-521-38795-7 B000 spa eng P51 D48 The development of second language Proficiency / Editado por Brigit Harley, Patrick Allen, Jim Cummins y Merrill Swain 1a Estados Unidos : Cambridge University Press, 1990 248 p. : 15 x 23 cm Cambridge Applied Linguistics This volume presents the results of a major investigation of second language proficiency in various groups of school age learners. The contributors, who are experts in the field of bilingual education and second language acquisition, address such issues as the nature of language proficiency, the impact of classroom practices on second language learning, the relationship between social-environmental factors and bilingual proficiency. This original collection of articles will be of interest to all those concerned with policy and practice in second language education. Lenguaje y lenguas Estudio y enseñanza Congresos 17322 Adquisición de segundo lenguaje Congresos 17323 Harley, Brigit editor 7553 Allen, Patrick editor 17324 Cummins, Jim editor 17325 Swain, Merrill editor 17326 lcc BK 6287 6287 0 0 lcc V. 1 0 0 G B000 B000 2020-07-29 0 P51 D48 10773 2020-07-29 00:00:00 Ej. 1 2020-07-29 BK