00371nam a2200145   450000100060000000300030000600500170000900800410002603500190006703500180008605000220010410000230012624500440014926000320019324895UR20220427180238.0061103|||||||||||||||||||||||||||||||| d  a(janium) 24884  a(janium)24882 4aPE2751b.E64 19781 aYorkey, Richard C.10aEnglish for international communication  bAmerican book Companyc1978