(3ejGg GdRQGYI(B: (3GdJUOi ddbjhO (B/ s - (3eMeO UGHQs; (3HhSJjd, SGfOQGs ([S.N] : (3GdOGQ GdOhdjI ddfTQ hGdJhRjY , s, 1992)
Keywords: (3GdRQGYIs; (3GdQis; (3GdRQGYI (B- (3ejGIs; (3GdHjFI (B- (3Ydes