(3fhGOQ GdLGMX LMG(B, (3GdbVGg hGdTQWI(B,(3GWHGA (B/ s - (3fHjI GdOGehQis ([S.N] : (3OGQ GdcJGH GddHfGfi , s, 1987)
Keywords: (3GdGOH GdYQHis; (3GdGgGLi hGdacGgGJs