000 00348nam a2200145Ia 4500
008 150416s9999||||xx |||||||||||||| ||und||
082 _aRAO
100 _a"Rao, D B"
245 _aTeacher Tranining In Science & Technology Education
250 _a2003
260 _bDiecovery pub.House
300 _aRAO
600 _aEducation
942 _2ddc
_cBK
999 _c5558
_d5558