(3GbJUGOjGJ GdeGdjI GdYGeI(B: (3GdcJGH GdKGfi GdGjQGOGJ GdYGeI hGdehGRfI GdYGeI ddOhdI (B/ s - (3YGOd adjM GdYdis; (3WdGd eMehO cOGhis ([S.N] : (3OGQ GdcJH , s, 1989)
Keywords: (3GdVQGFHs; (3GdOjhf GdYGeIs; (3GdfabGJ GdYGeIs; (3GdejRGfjIs; (3GdeGdjI GdYGeIs