“Upwork, Fiverr, dan Toptal: Menguak Perkembangan Platform Freelance dalam Ekonomi Digital”, Sahmiyya, vol. 4, no. 2, pp. 479–487, Nov. 2025, Accessed: Jul. 19, 2026. [Online]. Available: https://e-journal.uingusdur.ac.id/sahmiyya/article/view/12535