TY  - BOOK
AU  - Billini,Raúl
TI  - English 1: 1th grade of secondary school 
SN  - 9789945124354 (teacher's book)
U1  - xxxx 
PY  - 2017///
CY  - Santo Domingo
PB  - Susaeta
N1  - New curriculum design; v.1; teacher's book; v.2; students book; v.3; workbook
ER  -