(3ef abg GdSfI (B/s - (3GdUZjQ, aGdM Hf eMeO Hf aGdM,s 1377 (3gLQjG(B-.s ((3GdQjGV (B:s (3OGQ ETHjdjG ddfTQ hGdJhRjY,s, 2001)
Keywords: (3Gdabg GdSfjs; (3Gdabg GdESdGejs