ELIAS, D. H. .; BIRAWAPUTRA, I. . SUPPORT JOB TIME AND MOTION STUDY AT PRODUCTION SITE PT. ANTAM (PERSERO) TBK UNPE PONGKOR MAIN CIGUHA MINE: TIME AND MOTION STUDY PEKERJAAN PENYANGGAAN PADA LOKASI PRODUKSI TAMBANG CIGUHA UTAMA PT. ANTAM (PERSERO) TBK UBPE PONGKOR. INTAN Jurnal Penelitian Tambang, [S. l.], v. 1, n. 1, p. 1–7, 2023. DOI: 10.56139/intan.v1i1.4. Disponível em: https://jurnal-intan.ac.id/index.php/intan/article/view/4. Acesso em: 15 apr. 2026.