(3cJGH cdjdg hOefg (B:s (3eUhQ eY GdTQM GdhGai ddeaQOGJ (B/ s - (3HjOHGs; (3Hf GdebaY, YHO Gddg Hf eMeOs ((3HjQhJ (B: s (3eDSSI GdeYGQa ; s, 1985)
Keywords: (3GdGOH GdYQHis; (3GdHdGZI GdYQHjIs; (3GdGOH GdTYHis; (3cdjdI hOefIs