(3eLehYI GdaJGhi hGdQSGFd GdfSGFjI (B/ s - (3YHOGdYRjR Hf HGRs ([S.N] : (3ecJHI GdJQGK GdGSdGei , s, 1989)
Keywords: (3GdTYQ GdYQHis; (3GdYUQ GdMOjKs; (3eUQs; (3GdTQjYI GdGSdGejIs