TY  - BOOK
AU  - Waweru ,E.
TI  - Mentor social studies  : learner's book grade 4 
SN  - Mentor
U1  - 372.83043 MEN 
PY  - 2019///
CY  - Nairobi 
PB  -   Mentor Publishing Company
KW  - Social studies - study and teaching
ER  -