000 00410nam a2200145Ia 4500
001 139178
008 170722s9999 xx 000 0 und d
100 _aAjitha Nayar, K.
245 _aDevelopment of certain models for teaching biology at. . . . /
500 _aFloppy attached
502 _aThesis (Ph.D.)-- Education, University of Kerala
653 _aEducation
653 _aPhd Thesis
942 _cTH
999 _c166161
_d166161