(3ai GdVQhQGJ GdTYQjI (B/ s - (3Ndjd HfjGf GdMShfs ([S.N] : (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY , s, 1983)
Keywords: (3GdTYQ GdYQHis; (3GdGhRGf GdTYQjIs; (3GdYQhV hGdbhGais