(3GdMeGjI GdLfGFjI dMb GdWad ai GdMjGg Hjf GdbGfhf GdhVYi hGdTQjYg GdGSdGejI (B:s (3OQGSI ebGQfI (B/s - (3gdGdj YHOGddg GMeO s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 1989)
(3jJVef bGFeI eQGLYs
Keywords: (3GdbGfhf GdLfGFi(B.s; (3GdMeGjI GdLfGFjI dMb GdEfSGf ai GdMjGI hai SdGeI GdLSes