Sugih Hartono, Rakhmad, Slamet Riyadi, and Fausta Ari Barata. “Analysis of Non-Physical Waste Production Variables (Lean Six Sigma) on Project Time Management Through the Mediation of Lean Construction”. Eduvest - Journal of Universal Studies 5, no. 12 (December 18, 2025): 14901–14914. Accessed February 16, 2026. https://eduvest.greenvest.co.id/index.php/edv/article/view/52560.