TY  - BOOK
AU  - Murphy, Raymond
AU  - Naylor, Helen
TI  - Essential grammar in use : a self-study reference and practice book for elementary students of english with answers and CD-ROM / Raymond Murphy
SN  - 9780521675437
CY  - New York : Cambridge University
KW  -  INGLES
KW  -  INGLES - TEXTOS PARA EXTRANJEROS
KW  - INGLES - GRAMATICA
N1  - CD-ROM bajo signatura: CD-ROM/425/M87e y bajo el título: Essential grammar in use CD-ROM : user's guide \ Hundreds of additional exercises to accompany the third edition of the book
ER  -