(3GdcGed GdhSjW(B:(3bGehS aQfSi(B-(3YQHi eaUd (B/ s - (3jhSa eMeO QVGs ([S.N] : (3ecJHI dHfGf , s, 1989)
Keywords: (3GddZI GdaQfSjIs; (3GddZI GdYQHjIs; (3GdeYGLes