00509nam a2200169 a 450000500170000002000150001708200170003210000220004924500420007126000250011330000200013869000530015896400190021199700180023099900170024895200740026520251203091808.0  a0521319676  a407,bD, Dic  aDickinson, Leslie  aSelf-Instruction in language learning  aCambridgebCUPc1988  aviii,200p, 23cm  a1.Language and languages-Programmed instruction.  bengcdefg_  a70354 LIBSS C  c52978d52978  00104070aPUbPUd1998-04-08l0o407, D, Dicp70354q2016-03-15yBK