000
00279nam a2200121Ia 4500
001
78257
008
240126s9999||||xx |||||||||||||| ||und||
245
0
_a
Hexagonal: centre of symmetry CC-II
260
_a
Hyderabad
260
_b
Creative Educators
260
_c
1990
942
_c
BK
999
_c
78257
_d
78257