(3OaGY GdSfI hQO THg GdeSJTQbjf h GdcJGH GdeYGUQjf, s (3hjdjg , GdQO Ydi ef jfcQ MLjI GdSfI (B/ s - (3CHh TgHg, eMeO Hf eMeOs ((3GdbGgQg (B: s (3ecJHI GdSfg,s, 1989)
Keywords: (3GdESdGe(B.s; (3Gdabg GdESdGej(B.s; (3CUhd Gdabg(B.s