Thoengsal, James, and Miswar Tumpu. “Ideal Factor Analysis of Implementation Management Due to Waste Material of Building Construction Materials on Contractor Projects In Indonesia”. Eduvest - Journal of Universal Studies 2, no. 6 (June 11, 2022): 1.081–1.088. Accessed July 3, 2025. https://eduvest.greenvest.co.id/index.php/edv/article/view/451.