(3cTa GddKGe YfO eMjG GdMcheI hGdGMcGe ai Gbdjei eUQ hGdTGe (B. / s - (3fhad fYeIGddg fhads; (3LQLi jfis; (3ejTGd GHi aGVds; (3NGf fNhds ((3HjQhJ (B: s (3LQhS HQS , s, 1990)
Keywords: (3eUQs; (3JGQjNs; (3ShQjGs; (3adSWjfs; (3GdGeHQGWhQjI GdYKeGfjIs; (3GdYGde GdYQHi (B- (3JGQjN (B- (3GdYUQ GdYKeGfis