00365nam a2200109Ia 4500008004100000082002200041100001800063245007000081260004900151300000800200650004700208120425s9999    xx            000 0 und d  a R  428.07  DOF-T  a Doff, Adrian  a Trainer's handbook teach English: A training course for teachers  b Cambridge University Press, Cambridgec1988  a138  a Standard English usage-Study and teaching