Ester Kalangi, M. H., Kristiawati, I. and Ega Kusuma, R. A. (2023) “Impact of Work Skills, Performance, and Maintenance on Productivity: A Study on Head Truck Operators in PT. Terminal Petikemas Surabaya”, Academia Open, 8(1), p. 10.21070/acopen.8.2023.6664. doi: 10.21070/acopen.8.2023.6664.