(3GdhSjW aj bhGYO GdEedGA h GdEfTGA (B/ s - (3GdWHGY, YeQ aGQhbs ((3HjQhJ (B:s (3ecJHI GdeYGQa,s, 1993)
Keywords: (3GddZI GdYQHjIs; (3GdEedGAs; (3GdJYHjQs