(3GdJYdjbGJ h GdfhGOQ (B/ s - (3GdgLQj, CHh Ydj gGQhfs; (3GdMeGOj, MehO YHO GdCejQs ((3HZOGO (B:s (3hRGQg GdKbGag h dGCYdGe (B- (3OGQ GdQTjO ddfTQ,s, 1980)
Keywords: (3GdacGgg h GdfhGOQs