The impact of digital influencers on product/service purchase decision making—An exploratory case study of Portuguese people Fábio Caiado Joana Fonseca Joana Silva Soraia Neves Ana Moreira Ramiro Gonçalves José Martins Frederico Branco Manuel Au‐Yong‐Oliveira Publication Journal: Expert Systems Year of Publication: 2023 Identifiers Other Numbers: 137514499 Alternative titles DOIGoogle ScholarBibTeXRIS Locators