(3GdePgH GdJQHhi YfO GHf SjfG ef NdGd adSaJg GdYedjI (B/ s - (3YHOGdGejQ TeS GdOjfs ((3HjQhJ (B: s (3GdTQcI GdYGdejI ddcJGH T e d , s, 1988)
Keywords: (3GdadSaI GdGSdGejIs; (3GdadSaIs; (3GdMQcGJ GdacQjI YfO GdeSdejfs; (3GHf SjfGs