000 00394nam a2200121Ia 4500
001 127386
008 170722s9999 xx 000 0 und d
100 _aBeenamma Jacob
245 _aSelected variables associated with achievement in chemistry of vocational higher secondary school stud. ents /
260 _b1998 ,
502 _aThesis (Ph.D.)-- Education, University of Kerala
942 _cTH
999 _c165224
_d165224