(3OjhGf GdNhGQL (B/ s - (3eYQha , fGja eMehO s ((3HjQhJ (B: s (3OGQ GdeSjQI , s, 1983)
Keywords: (3GdTYQ GdYQHj s -- (3JGQjN s -- (3GdYUQ GdGehj s