000 00349nam a2200109Ia 4500
008 211224s9999 xx 000 0 und d
082 _a570 STA
245 0 _aBiology : standard IX
260 _aThiruvananthapuram:
_bState Council of Educational Research and Training, Government of Kerala,
_c2010
300 _a88 p. ; ill. ; 30 cm.
650 _aBiology
999 _c30873
_d30873