F. P. . Al Havish and B. I. . Putra, “Design of Work Systems in Air Cooler Production Using Work Load Analysis (WLA) and Macroergonomic Analysis and Design (MEAD) Methods at PT GIJ: Perancangan Sistem Kerja Pada Produksi Air Cooler Menggunakan Metode Work Load Analysis (WLA) dan Macroergonomic Analysis and Design (MEAD) di PT GIJ”, PELS, vol. 2, no. 2, Jun. 2022.