00609nam a22001817a 450000500170000001000150001702000300003203500140006203700130007608200080008910000270009724500950012425000090021926000540022827000830028230000420036570000200040720210428123514.0  aENG-129480  c450.00a978-93-88016-94-0  aEN-113012  bDBAD/PUB  a500  aCharyulu, V. Krishnama  aScience Laboratories : bRole of a Science Teacher/cV. Krishnama Charyulu, A.P.V.N. Sarma  a2020  aHyderabadbNeelkamal Publications Pvt. Ltd.c2020  aSultan Bazar, HyderabadbHyderabade500095k24757140mneelkamalbooks@gmail.com  a279.pc24cm(pbk)bBibliography, Index  aSarma, A.P.V.N.