00555nam a2200193 a 4500008004100000040001200041050002600053100001900079245009300098250001300191260004200204300001000246650002100256700001300277850000900290997003900299998000800338999001500346       1984    tha                 eng    aTH-BaNU14aPE1001 bR516n d19841 aRichards, J.C.00aNew edition breakthrough 1, a course in English communication practice (workbook) Vol 1.  a2nd. ed.3 aLondonbOxford University pressc1984  a56 p. 4aENGLISH LANGUAGE1 aM.N.Long  aKCNL  dKCNL:Main:0000-3183gMain000003183  cbat  c2822d2822