INDAN, R. .; ALVIANDO, R. . Analisis Pengukuran Produktivitas Produksi Teh Hitam dengan Metode Objective Matrix. Civil Engineering Collaboration, [S. l.], v. 5, n. 1, p. 1–6, 2020. DOI: 10.35134/jcivil.v5i1.6. Disponível em: https://jcivil-upiyptk.org/ojs/index.php/jcivil/article/view/6. Acesso em: 22 oct. 2025.