(3GdehWa GdOhdi(B: (3OQGSI ebGQfI ai GdbGfhf GdOhdi GdGOGQi (B/ s - (3LeGd Wg fOGs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdbGfhfs; (3GdbGfhf GdOhdis; (3GdbGfhf GdebGQfs