(3UaMGJ ef JGQjN GdhWf (B/s - (3QAha YHGSs; (3YHGOI cMjdIs ((3GdbGgQI (B:s (3eWHYI OGQ GdcJH hGdhKGFb GdbhejI HGJdbGgQI ,s, 2011)
Keywords: (3QAha YHGSs; (3GMeO dWai GdSjOs; (3GdhKGFbs -- (3MaX hJQJjHs; (3GdUMGaI GdeUQjIs; (3GddjHQGdjIs -- (3eUQs; (3eUQs -- (3GdGMhGd GdGLJeGYjIs -- (3YUQ GSeGYjds