... Student's Book
ISB
N-lO 0-
S21-80S78-3
Student's Book
ISBN-13
978-0-S21-80S79-7 Teacher's Book
ISBN-10 0-521-80579-1 Teacher
's
Book
ISBN-13
978-0-521-80580-3 Workbook
ISBN
-lO ... Sharp for permission
to
reproduce
their
origi nal course book concept in Objective
PET
and in all other
Objective examination course books.
The au
th
ors
would
li...