000
00335nam a2200145Ia 4500
008
241018b |||||||| |||| 00| 0 eng d
020
_a
9789810107529
100
_a
Tan, David
245
_a
Child's play science
260
_a
earlybird books
_b
Singapore
_c
1997
300
_a
144
526
_a
UG
942
_c
BK
999
_c
69068
_d
69068