(3eONd Edi GddZI GdYHQjIs - (3eMehO GMeO MSf GdeQGZj (B.s ((3HjQhJ (B:s (3OGQ GdYdhe ddWHGYI hGdfTQ(B,s, 1990)
(3JYQja HGdYgO GdbOje(B.s
Keywords: (3GddZg GdYHQjI(B.s