(3GdeONd Gdi GSGSjGJ GdGSJKeGQ (B/s - (3eMeO GdhWjGfs ((3GdbGgQI (B:s (3ecJHI GdadGM (B,s, 1990)
(3jTJed Ydi EVGMjGJ , LOGhd (B.s
. 131-129 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdGSJKeGQs; (3GdeGdjI GdYGeI h GdJTQjY GdVQjHi s