(3GdefgLjI GdSjGSjI ddYbd GdYQHjs - (3HRGR(B. (3MSfs ((3OGQ GdHTjQs (3YeGfs, 1994)
Keywords: (3GdSjGSIs; (3GdhWf GdYQHjs; (3Ydhe SjGSjIs