(3HfjI GdKhQGJ GdYdejI (B((3YGde GdeYQaI (B168) / s - (3chf JheGSs; (3Thbi LdGds ([S.N] : (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 1992)
Keywords: (3JGQjNs; (3GdYdhes; (3GdKhQI GdUfGYjIs