(3CKQ GdEeGejI aj Gdabg GdLYaQj h CUhdg (B/ s - (3GdSGdhS, Ydj CMeOs ((3GdOhMI (B:s (3OGQ GdKbGaI,s, 1985)
Keywords: (3Gdabg GdLYaQjs; (3GdLYaQjIs; (3abg GdTjYIs