(3GdefgL GdGSdGei ai GdhbGjI hGdYdGL ef NWQ GdeNOQGJ (B/s - (3YHOGdefUa GSeGYjds ((3GdbGgQI (B: s (3ecJHI YGde GdacQ,s, 1992)
Keywords: (3GdeNOQGJ hGdTHGHs; (3ecGaMI GdeNOQGJs; (3GdeNOQGJ (B- (3GdefgL GdGSdGeis