Kirani, Cahya, Rohmatun Lukluk Isnaini, Agil Amirus Sholichin, Ahmad Naufal Gumilang, and Fitrianingsih. “5S Culture of Excellence in Facilities and Infrastructure Management in Higher Education Institutions”. Didaktika: Jurnal Kependidikan 12, no. 4 (November 9, 2023): 547-556. Accessed September 20, 2024. https://ssed.or.id/contents/article/view/263.