(3JMPjQ Cgd GdEjeGf Yf GdMce HZjQ eG CfRd GdQMef (B/s - (3GdMSfj, ESeGYjd Hf EHQGgje GdNWjHs ((3GdeOjfI GdefhQI (B:s (3eWHYI GdLGeYI GdESdGejI,s, 1985)
Keywords: (3fXGe GdMce aj GdESdGes; (3GdfXGe GdSjGSj aj GdESdGes