1. G. T. De La Hoz: New Trends in Online Crime Using Social Networking Sites and Apps against Children and Adolescents: Police-Based Longitudinal Research. International Journal of Cyber Criminology, 15 (1), 31–49 (2021).
2. N. Van Doorn and O. Velthuis: A Good Hustle: The Moral Economy of Market Competition in Adult Webcam Modeling. Journal of Cultural Economy, 11 (3), 177–192 (2018).
3. G. B. S. Wirawan et al.: Behavioral Changes, Adaptation, and Supports among Indonesian Female Sex Workers Facing Dual Risk of COVID-19 and HIV in a Pandemic. International Journal of Environmental Research and Public Health, 19 (3), 1–14 (2022).
4. F. Ernst, N. Romanczuk-Seiferth, S. Köhler, T. Amelung, and F. Betzler: Students in the Sex Industry: Motivations, Feelings, Risks, and Judgments. Front. Psychol., 12 (February), 1–10 (2021).
5. N. N. Agustin: Dinamika Religiusitas Pelaku FWB (Friend With Benefit): Studi Kasus di Kampus Islam. in Prosiding Seminar Nasional 2019 Pengembangan Krakter dalam Menghadapi Era Revolusi 4.0, 1 (September), 59–70, UNESA, Surabaya (2019).