Open word :  B2 First : workbook with answers with online practice / 
Claire Wijayatilake. 
 - Cambridge :  Cambridge University Press,  cop. 2019. 
 - 319 stron :  ilustracje kolorowe ;  30 cm. 
<br/><br/><label>ISBN: </label>9781108759182 
<br/><br/><label>LC Class. No.: </label>PE1112  / .W55 2019