TY  - BOOK
AU  - Mwangi, G (et al)
AU  - Mugo, J
AU  - Muchunku, Z.
AU  - Gathogo, J.N 
AU  - Karambu, P
TI  - Mentor Science and Technology: Learner's book Grade 4
SN  - 9789966012715
U1  - 600.600 1st. ed.
PY  - 2019///
CY  - Nairobi
PB  - Mentor Publishing Company Ltd.
ER  -