(3GdUgjhfjI GdYGdejI hGSQGFjd (B/ s - (3MSf XGXGs; (3eMeO aJM Gddg GdRjGOis; (3YGFTI QGJHs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1971)
Keywords: (3GdfRGY GdYQHi GdGSQGFjdis; (3GSQGFjds; (3GdUgjhfjIs; (3GdefXeGJ GdOhdjIs; (3GdUgjhfjI hGdjghOjIs; (3GdhcGdGJ GdOhdjIs