000 00357nam a2200109Ia 4500
008 191231s9999 xx 000 0 und d
100 _a N. Vedamani Manuel,Guide
100 _aK Y Benedict
245 0 _aNon Formal Methods In Chemistry Education
_cK Y Benedict
260 _aThiruvananthapuram :
_bDept of Education,University of Kerala ,
_c2001
942 _cTH
999 _c324399
_d324399