(3OjhGf GdTfaQj YeQh Hf eGdc fMh (B70 (3b(B. (3g`(B. /s - (3jYbhH , Gejd HOjY s ((3HjQhJ (B:s (3OGQ GdcJGH GdYQHj,s, 1996)
Keywords: (3GdTfaQj , YeQh Hf eGdc s; (3GdTYQ GdYQHjs -- (3GdYUQ GdLGgdjs