TY  - BOOK
AU  - Alex Kihungu ....[et al].
TI  - Science and technology grade four teacher's guide 
SN  - (KLB visionary)
U1  - 372.3044 SCI 
PY  - 2019///
CY  - Nairobi 
PB  -  Kenya Literature Bureau
KW  - Elementary education-Science and technology
ER  -