(3GacGQ hBQA Mhd GddSGfjGJ hGdGOH(B\s - (3jGchHShf,QheGfs; (3GdGeGQI,aGdM UOGes; (3Ydj,YHO GdLHGQ eMeOs; (3HGbQ,eQJVis (1990)
Keywords: (3GddZGJs -- (3adSaIs