(3ef GdGOGH hGdGNdGb GdGSdGejI (B/ s - (3YHOGddg YHOGdQMje GdYHGOis ([S.N] : (3eWHYI GdSYGOI , s, 1980)
Keywords: (3GdGSdGes; (3GdGNdGb GdGSdGejIs; (3GdGOGH GdGSdGejIs