TY  - BOOK
AU  - Yusman Ayob, 
TI  - Isaac Newton
T2  - Siri perintis zaman
SN  - 9838230847
U1  - 925 23
PY  - 1993///
CY  - Petaling Jaya, Selangor : 
PB  - Prisma , 
KW  - Scientists - Biography
ER  -