(3JQGK GdHGOjI (B: s (3ebOeI dOQGSI GdHGOjI aj GdchjJ (B: (3JbQjQ CYeGd fOhI JQGK GdHGOjI GdJj CbjeJ (B... / s - (3GdMOGO, eMeOs ((3GdchjJ (B:s, 1987)
Keywords: (3GdHOhs; (3GdchjJs; (3GdeLJeY GdHOhjs