(3GdJHUQI (B/s - (3GdLhjfj, YHO Gddg Hf jhSa Hf eMeO,s (3J(B. 438 (3g`(B.s; (3ESeGYjd, eMeO MSf s ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1994)
Keywords: (3GdYHGOGJ (B((3abg ESdGej(B)s -- (3GdUdGIs