- Libro electrónicoBusiness Opportunity ThinkingRobert David Hughes
- Libro electrónicoPricing TypesRobert David Hughes
- Libro electrónicoInformation and Institutions of Government AccountabilityLeonard Warren Cook
- Libro electrónicoThe Drive of BusinessRobert David Hughes
- Libro electrónicoMultisided PlatformsRobert David Hughes
- Libro electrónicoSeries: Creating Business AnglesRobert David Hughes