(3eUQ hHdGO GdfhHI (B/ s - (3JMaI GMeO MfOhSIs; (3YHOGdefYe GHhHcQs; (3GeQi , hGdJQ (B. (3Hs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddJCdja hGdfTQ , s, 1970)
Keywords: (3GdYUQ GdMOjKs; (3JGQjNs; (3eUQ GdbOjeIs; (3GdfhHIs; (3GdOhdI GdhSWis; (3GdOhdI GdMOjKIs; (3NQjWI LRjQI ajdIs