(3ebGdGJ aj GdbGfhf hGdSdWI(B.s (3GdLRA GdGhd(B,s - (3eMeO cGed GHQGgje(B.s ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B],s, 1982)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdSdWI GdSjGSjI(B.s