AYU, Friska; KARYA, Denis Fidita; RHOMADHONI, Muslikha Nourma. Pengaruh Program K3 Terhadap Produktivitas Kerja pada Operator Alat Berat di PT BJTI Kota Surabaya. Business and Finance Journal, [S. l.], v. 4, n. 2, p. 115–122, 2019. DOI: 10.33086/bfj.v4i2.1374. Disponível em: https://journal2.unusa.ac.id/index.php/BFJ/article/view/1374. Acesso em: 1 aug. 2026.