(3GdCSGdjH GdCOHjI aj GdfKQ GdYQHj GdbOje (B: s (3ef YUQ Ydj Hf CHj WGdH Edi YUQ EHf NdOhf (B600-1400 / s - (3GdjGRLj, ceGds ((3HjQhJ (B:s (3OGQ GdLjd,s, 1986)
(3eY fUhU ef QhGFY HdZGA GdcJGH ddOQS h GdJMdjds
Keywords: (3GdfKQ GdCOHjs; (3GdCOH GdYQHjs