Chandra, H., Ardianto, Y. M., Novika, N., Angeli, F. C., & Agnia, N. (2024). Implementation of 5S and Safety Awareness in the Classroom Environment at Telkom University Surabaya. IJIEM - Indonesian Journal of Industrial Engineering and Management, 5(1), 107–120. https://doi.org/10.22441/ijiem.v5i1.22804