(3eaJGM GdLfI ai GdGMJLGL HGdSfI (B/ s - (3NGdO YHOGdaJGM THds; (3GdSjhWi (B: (3LdGd GdOjf GHhGdaVd YHOGdQMef Hf GHi HcQ Hf eMeO GdNVjQis ([S.N] : (3ecJHI GdJQGK GdGSdGei , s, 1990)
Keywords: (3Gdabg GdGSdGeis