(3GdHQeLI HdZI HjSc HUhQI CaVd (B/ s - (3SejK, HQjGf Qafs; (3hGJS, djRGs; (3Gdehefj, MjOQ YHO GdeLjOs ((3HjQhJ (B:s (3GdeDSSI GdYQHjI,s, 1991)
Keywords: (3GdMhGSjHs; (3HQGeL GdMGShHs; (3fGTFhf cHGQ (B(15-18) (3SfIs; (3dZI HjScs