(3TQM bGfhf JhXja GdGehGd (B:s (3GhVGY GdTQcGJ (B- (3Mbhb GdehOYjf (B/s (3GdcJGH GdJGSYs - (3CMeO TQa GdOjfs ((3GdbGgQI (B:s (3GdGgQGe(B,s, 1988)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs; (3Odjd bGfhfjs; (3JhXja GdGehGds; (3GhVGZY GdTQcGJs; (3Mbhb GdehOYjfs; (3GbJUGOs; (3TQcGJ GbJUGOjIs