(3KhQI GdGHf(B: (3GSQGQ hhKGFb bVjI KhQI eUQ (B/ s - (3eUWai HcQis ([S.N] : (3OGQ GdMQjI ddUMGaI hGdWHGYI hGdfTQ , s, 1988)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3JGQjNs; (3GdLeYjGJ GdSQjIs; (3GdLQGFe GdSjGSjIs; (3GJaGbjGJ cGeH OjajOs; (3GdOHdheGSjhfs; (3LeGd YHOGdfGUQs