(3fTQWj GdJYQja aj aVd MedI GdYde GdTQja hGdQO Ydi eGbJge GdSNja (B/s - (3GdMHjTj , LeGd GdOjf eMeO Hf YHO GdQMef Hf YeQ GdMHjTjs 712-786 (3g`(B.s ((3HjQhJ (B:s (3OGQ GdefGgd ddfTQ h GdJhRjY,s, 1997)
Keywords: (3BOGH WGdH GdYdes; (3GdESdGe hGdYdes