(3GdJYdjd GddZhi YfO Gdchajjf eY ebGQfJg HfXjQg YfO GdHUQjjf (B:s (3OQGSI GHSJhehdhLjI (B/s - (3LdGd TeS GdOjfs ((3GdGScfOQjI (B:s (3eDSSI GdKbGaI GdLGeYjI ;s, 1994)
Keywords: (3GdfMhs; (3GddZI GdYQHjIs; (3Yde GdcdGes