Intellectual capital and its impact on business performance: An empirical study of Portuguese hospitality and tourism sectors V. Costa L. Silva P. Loureiro Publication Journal: Intangible Capital Year of Publication: 2020 Volume: 16 Issue: 2 Identifiers ISSN: 16979818 20143214 Other Numbers: 2-s2.0-85098106605 Alternative titles DOIGoogle ScholarBibTeXRIS Locators