TY  - BOOK
AU  - Bradfield, Bess
TI  - Personal Best B1: : student's book and worbook
U1  - 421 - Sistemas de escritura y fonología ingleses 
PY  - 2018///
CY  - 
PB  - Mexico Richmond/Santillana Global S.L, 
N1  - 1.- All about me. 2.- Stories and pictures 3.- Keep on traveling 4.- The working world; 2018
N2  - the lenguage lessons give equal weight to grammar and vocabulary learning and are supported by comprehensive grammar practice vocabulary practice and communication practice sections
ER  -