000 00450nam a2200109Ia 4500
008 191231s9999 xx 000 0 und d
100 _a N. Vedamani Manuel,Guide
100 _aJ Exemmal
245 0 _aConstruction Of Certain Models For Teaching School Botany Using Environment And Ethnic Resources And Listing The Efficiency Of Such Models
_cJ Exemmal
260 _aThiruvananthapuram :
_bDept of Education,University of Kerala ,
_c1980
942 _cTH
999 _c324302
_d324302