(3efgL GdGeGe eMeO YHOg ai JaSjQ GdbQGf GdcQje (B/ s - (3YHOGddg eMehO TMGJgs ([S.N] : (3GdeLdS GdGYdi dQYGjI Gdafhf hGdGOGH , s, 1984)
Keywords: (3GdGSdGes; (3JaGSjQs; (3eMeO YHOg (B((3GdGeGe(B)s; (3GdbQGfs