000
00298nam a2200121Ia 4500
020
_a
184146502X
082
_a
540
_b
RIC
100
_a
Richard
245
_a
GCSE Double science Chemistry
_c
Richard Parsons
260
_a
Sri Lanka
_b
Coordination Group publications
_c
2001
300
_a
84
942
_c
BK
999
_c
11112
_d
11112