Andersona , Kevin Ferdinand, Fuad Dwi Hanggara, and Adi Nugroho. “Ergonomic Trolley Design for Sigma Motor UMKM Material Handling Workers”. Greeners: Journal of Green Engineering for Sustainability 1, no. 1 (September 14, 2023): 31–41. Accessed June 7, 2025. http://journal.uvers.ac.id/index.php/greeners/article/view/170.