R. Khitam Abdul Hussein Kadhim Al-Obaidi, “The Effectiveness of Influencer Marketing and the Level of Audience Engagement on Social Media: A Field Study”, wjfh, vol. 21, no. 1/Pt1, pp. 625–600, Feb. 2025, doi: 10.31185/wjfh.Vol21.Iss1/Pt1.866.