000 00376nam a2200157Ia 4500
001 26423
008 240126s9999||||xx |||||||||||||| ||und||
082 _a507 NEW
100 _aUNESCO
_95062
245 0 _aNew Unesco source book for science teaching
260 _aHyderabad
260 _bUniversities Press (India) Ltd.
260 _c1999
300 _a270p.
942 _cBK
999 _c26423
_d26423