(3EPGYI GdeOQSI ddeOGQS hGdeQGcR GdUjajI hMdbGJ JMajX GdbQBf GdcQje (B/s - (3GdYeQj, aGWeI HfJ MGeOs ([(3O(B. (3e(B.] :s (3OGQ GdeYdeI,s, 1999)
Keywords: (3GdbQBfs -- (3JMajXs; (3GdfTGW GdeOQSjs; (3GdEPGYI GdeOQSjIs