(3Yde GdeYGfi(B: (3OQGSI hJMdjd (B/ s - (3cQjeI eMehO GHh RjOs ([S.N] : (3ecJHI hgHI , s, 1988)
Keywords: (3GdfbOs; (3GdHdGZI GdYQHjIs; (3GdeYGfis; (3GdOdGdI(B- (3Ydes; (3GdOdGdIs; (3GddZI GdYQHjI (B- (3GdGdaGXs