TY  - BOOK
AU  - Ndede Joseph
AU  - Waswa Robert
AU  - Orina Joseph
TI  - Longhorn computer science: learner's book Grade 7 
SN  - 9789966643896
AV  - QA76 .N34 2022
PY  - 2022///
CY  - Nairobi, Kenya
PB  - Longhorn Publishers PLC
KW  - Computer Studies
ER  -