Impact of research and development expenses on the profitability of assets: The case of textile and clothing industry in Portugal Paula, H., Ricardo, M.S. 2024 Problems and Perspectives in Management 10.21511/ppm.22(1).2024.55 Team Researchers Other ResearchersView Profile Paula Alexandra Godinho Pires Heliodoro View Profile Ricardo Manuel de Barboza Marques de Moraes e Soares