(3cja fOGhj hfJbj GdSMQ(B-(3GdeS(B-(3GdMSO? (B/s - (3YGQa, eMeO YRJ eMeOs ((3LOI, GdSYhOjI (B:s (3CHh GdaOGA eMeO YRJ eMeO YGQa,s, 1990)
Keywords: (3GdSMQs; (3GdESdGe hGdWHs -- (3GdYdGL GdOjfjs; (3GdMSOs; (3GdTjGWjf hGdLGfs