(3GdeLehYI GdcGedI deDdaGJ GdCSJGP YHGS eMehO GdYbGO (B- (3GdeLdO GdKGfj (B- (3GdYHbQjGJ GdGSdGejI (B( 2 ) : (3jMJhj Ydi YHbQjI GdmGeGe Ydj , GdMSjf CHh GdTgOGA , aGWeI GdRgQGA hGdaGWejhf (B.s - (3GdYbGO(B. (3YHGS eMehOs ((3OGQ GdcJGH GddHfGfjs (3HjQhJs, 1974)
Keywords: (3GdCOH GdYQHj (B- (3efhYGJ s; (3YHbQjI GdmGeGe Ydjs; (3aGWeI GdRgQGAs; (3GdMSjf CHh GdTgOGA s