Santosa, W.H. et al. 2025. Optimasi Operasional TPA Duta Firdaus Melalui Implementasi 5S (Seiri, Seiton, Seiso, Seiketsu, dan Shitsuke) . The Proceeding of Community Service and Engagement (COSECANT) Seminar. 5, 1 (Oct. 2025). DOI:https://doi.org/10.25124/cosecant.v5i1.9358.