(3GdehJ hGdhLhO(B: (3OQGSI dJUhQGJ GdafGA GdGfSGfi ai GdKQGK GdOjfi hGdadSai GdYGdei (B/ s - (3HOQ GdOjHs; (3cGQS, LjeS Hs ((3GdbGgQI (B: s (3GdeLdS GdGYdi ddKbGaI , s, 1998)
Keywords: (3GdehJs; (3GdfaSs; (3GdadSaI GdGadGWhfjIs; (3hMOI GdhLhOs