(3Jbjje GdJMUjd (B: s (3ENJHGQGJg h YedjGJg h JLjgg ddJQHjI GdeOQSjI (B/ s - (3MeOGf, eMeO RjGOs ((3YeGf (B:s (3OGQGdJQHjI GdMOjKI,s, 1986)
Keywords: (3GdENJHGQGJ h GdbjGSGJ GdJQHhjIs; (3GdJbjje GdJQHhjs