(3eG HYO GjfTJGjf GdHMK GdYdei Yf fXQjI ddchf (B/ s - (3cGch, ejTjhs; (3JQjfQ, LfjaQs; (3aGjR ahb GdYGOI s ((3HjQhJ (B:s (3GcGOjejG GfJQfGTjhfGd ,s, 1991)
Keywords: (3GdadSaIs; (3GdaVGAs; (3fXQjGJs; (3Gdadcs; (3GdGQVs; (3Gdchfs; (3GdchfjGJs; (3GdMjGI Ydi GdchGcHs