1. Developing a Framework for a Viable Research University
2. Agensi Pengangkutan Awam Darat. (2021). Teksi Dan e-hailing. Portal Rasmi Agensi Pengangkutan Awam Darat (APAD). Retrieved February 26, 2023, from https://www.apad.gov.my/perkhidmatan-apad1/pengenalan-teksi1
3. eLancing: A review and research agenda for bridging the science–practice gap
4. Astro Awani. (2020, November 25). KSM cadang pekerja sendiri, 'gig-economy' carum Perkeso. Astro Awani. Retrieved from https://www.astroawani.com/berita-malaysia/ksm-cadang-pekerja-sendiri-gigeconomy-carum-perkeso-270032.
5. Beer, M. (1984). Managing human assets. Simon and Schuster.