00393nam a2200133Ia 450000500170000000800410001708200160005810000370007424500390011125000080015026000520015830000120021050000370022220250520010043.0240331s9999    xx            000 0 und d  a302.23bJAY  aJayawardena Ranbandara,W.M.W.W.R 0aSri Lankawe janasannivedhana krama  a2nd  aColombobRanbandara Printers & Publishersc1993  a84 p .,  aA Book On Research  About media