(3eUQ hGSQGFjd(B: (3NeS SfhGJ ef GdJWHjY (B/ s - (3eMSf YhVs ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1984)
Keywords: (3eUQs; (3GdfRGY GdYQHi GdGSQGFjdis; (3GJaGbjGJ cGeH OjajOs; (3GdUgjhfjIs; (3GdjghOs