(3GdeDJeQ GdOhdi GdKGef ddaf GdJQci (B: (3edNUGJ GdGHMGK (B/ s - (3gjFI GdGKGQ GdeUQjIs; (3GdeDJeQ GdOhdi GdKGef ddaf GdJs ([S.N] : (3gjFI GdGKGQ GdeUQjI , s, 1987)
Keywords: (3JQcjGs; (3Gdafs; (3fOhGJs