PAIKUN, P. Conceptual Estimation Program Construction Costs and Material Needs. INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT), [S. l.], v. 2, n. 1, p. 11–26, 2022. DOI: 10.52005/ijeat.v2i1.14. Disponível em: https://inter-journal.nusaputra.ac.id/IJEAT/article/view/14. Acesso em: 4 may. 2024.