00379    a2200121   4500020001800000082001800018100001900036245008900055260004500144300002200189650001600211650003000227  a9789555029124  a621.3828bPER  aPerera, Kumudu  aPractical guide book on basic electronics for advanced laval and university students  aKuliyapitiyabKumudu Perera c2013g2013  av,40p.billc29cm  aElectronics  aCommunication engineering