(3aJM CeQjcG (B: s (3eSCdI GdBNQ (B/ s - (3JhOhQhb, JRajJGfs; (3GdSHGYj, HTjQs ((3GdbGgQI (B:s (3SjfG ddfTQ,s, 1992)
Keywords: (3GdJGQjN GdSjGSjs; (3GdQMdGJs; (3GdSaQs