00378nam a2200133Ia 450000500170000000800410001702000150005808200130007310000240008624500410011026000400015130000130019150000400020420250516012800.0240331s9999 xx 000 0 und d a9552089212 bJAYa294 aJayawardena,H.V.G.S 0aAththa thiththayi viteka pudumayi -1 aColombobS. Godake & Brothersc2005 a222 p ., aA Book on Social Scientist Research