(3ebOeI ai GdGbJUGO GdYGe(B: (3GdeGdjI GdYGeI (B/ s - (3YGOd GMeO MTjTs; (3eUWai QTOi TjMIs ([S.N] : (3OGQ GdeYQaI GdLGeYjI , s, 1990)
Keywords: (3GdGbJUGOs; (3GdeGdjI GdYGeIs