000 00372nam a2200145Ia 4500
008 180611s9999||||xx |||||||||||||| ||und||
020 _a81-7170-788-2
041 _aen
082 _a500
100 _aTHENNAKOON, S.
245 0 _aJunior Science and Tecnology
260 _aSri Lanka.
_bInternational Book House Pvt
_cLtd. 2005
300 _avi, 301p.
942 _cLL
999 _c30112
_d30112