TY  - BOOK
AU  - Mohd. Yusof Hasan. ,
TI  - Pemikiran saintifik: SPB4L 
SN  - 9837412763
AV  - BF441  .M98 2000
PY  - 2000///
CY  - Petaling Jaya
PB  - Pearson Education Malaysia
KW  - Thought and thinking
ER  -