SUGIYARTO, Sugiyarto. ANALISIS PENGARUH PRODUKTIVITAS TENAGA KERJA TERHADAP PENJUALAN PT 3M INDONESIA. Jurnal Sekretari Universitas Pamulang, [S. l.], v. 3, n. 2, p. 16, 2017. DOI: 10.32493/skr.v3i2.586. Disponível em: https://openjournal.unpam.ac.id/index.php/Sekretaris/article/view/586. Acesso em: 16 mar. 2026.