000 00277nam a22001217a 4500
020 _a9789558996911
082 _a570
_bSHI
100 _aShirani Ranasinghe
245 _aBiology O/L
260 _aKurunegala
_bSamudra book publications
_c2009
300 _a111 pages
942 _cL
999 _c15768
_d15768