00881nam a22002897a 4500001000900000005001700009006001900026007000300045008004100048020001800089040001800107041000800125082001600133100001900149245006300168250002300231260004300254300005400297336001000351337002000361338001200381505007400393650002900467650002500496650002200521650004800543BGEN568120211019143739.0a||||gr|||| 00| 0 ta161204t        ec ||||gr|||| 00| 0 spa d  a9780194370653  aUEBbspacUEB0 aeng04a407bS8391f1 aStern, Henry. 10aFundamental concepts of language teaching. /cHenry Stern.  aPrimera edición.  aOxford : bOxford Univ. Press, c1983.  a582 páginas :bilustraciones ;c21 centimetros.  atexto  asin mediación  avolumen0 aClearing the ground .- Historical perspectives - Concepts of society.14aFremdsprachenunterricht.24aFremdsprachenlernen.24aSprachunterricht.24aLanguage and languages--Study and teaching.