• https://www.nepjol.info/https://www.kar-group.com/https://ijssers.org/https://prodentist.ru/https://www.networkisa.org/https://journalofmedical.org/https://schwlar.com/https://jurnal.isi-dps.ac.id/https://www.hotelconcordia.ro/https://murninetsv2.planmalaysia.gov.my/https://ojs.uph.edu/
    • Priyambada, G., J. Asmura, M. Reza, A. Safriyana, and W. Aryanti. “Analysis of Physical Workload of Palm Oil Mill Workers at PT X Using the Cardiovascular Load (CVL) Method”. Greeners: Journal of Green Engineering for Sustainability, vol. 1, no. 01, Sept. 2023, pp. 8-12, https://journal.uvers.ac.id/index.php/greeners/article/view/155.