(3WQb GdHMK GdYdej (B: s (3GSS hJWHbGJ(B. s - (3GdSeGc, eMeO CRgQ SYjOs ((3YeGf (B: s (3OGQG djGRhQj GdYdejI ddfTQ hGdJhRHY, s, 2011)
Keywords: (3GdGHMGK(B. s