Factors Influencing Sponsorship Disclosure and Attitudes Toward Problematic Digital Marketing Practices of Social Media Influencers Worldwide. - Louisa Ha; Halima Lul Ali; Kelsey Zook; Arnab Biswas; Osama Bahassan; Man Luo; Yang Yang; Mohammad Abuljadail (J. Theor. Appl. Electron. Commer. Res., 2025)