FIKRI, Ali Zian; WIDADA, Dharma; FATHIMAHHAYATI, Lina Dianati. Implementation of Objective Matrix and Root Cause Analysis for Productivity Analysis PT. Indomarco Adi Prima SP Deket Lamongan. IJIEM - Indonesian Journal of Industrial Engineering and Management, Jakarta, Indonesia, v. 4, n. 3, p. 597–608, 2023. DOI: 10.22441/ijiem.v4i3.21715. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/ijiem/article/view/21715. Acesso em: 28 may. 2026.