(3GdUMGaI (B/s (3GdGda cJGH (B((3GdKGfj (B)s - (3HjjQ GdHjQ s; (3aGWeI YHOGddg eMehO(B.s ((3GdbGgQI (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH (B,s, 1987)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI(B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdOSJhQj(B.s