(3cJGH GdELJgGO aj WdH GdLgGO (B/ s - (3EHf cKjQ, YeGO GdOjf ESeGYjd Hf YeQs; (3YSjdGf, YHO Gddg YHO GdQMjes ((3GdQjGV (B:s (3OGQ GddhGA,s, 1982)
Keywords: (3GdESdGes; (3Gdabgs; (3GdSjQI GdfHhjIs; (3GdLgGOs