(3GdJVGef heHOG YOe GaJQGV GdJVGef OQGSI JMdjdjI ebGQfI (B/ s - (3fHjd GHQGgje SYOs ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1987)
Keywords: (3GdbGfhf GdeOfis; (3GdJYgOGJs