The Mediating Role Of Perceived Usefulness In Investigating The Impact Of Catalysts On The Adoption Of Self Service Technologies (Ssts) By Elderly Patrons In Restaurants: A Conceptual Paper. International Journal of Environmental Sciences, [S. l.], p. 2010–2016, 2025. DOI: 10.64252/c0b34864. Disponível em: https://theaspd.com/index.php/ijes/article/view/11095.. Acesso em: 12 oct. 2025.