(3GdehShYI ai Ydhe GdWHjYI(B, (3W(B2 / s - (3Lejd LHQs; (3GOhGQ ZGdHs ([S.N] : (3OGQ GdeTQb , s, 1988)
Keywords: (3ehShYGJs; (3GdLjhdhLjGs; (3GdfHGJs; (3GdMjhGfs; (3GdcJH GdeQLYjIs