(3GdSdWGf YHO GdMejO NGf GdKGfj h GdjghO (B/ s - (3chQc, fLjH aGVd bjUgs; (3Medj, jhSas ((3HjQhJ (B:s (3eDSSI GdQSGdI,s, 1988)
Keywords: (3GdeSQMjI GdYQHjIs; (3JQcjGs