PURWANTINI, Dwi. TINGKAT PENGETAHUAN POSISI ERGONOMI DALAM PENCEGAHAN NYERI PUNGGUNG BAWAH. JPK : Jurnal Penelitian Kesehatan, [S. l.], v. 6, n. 2, p. 78–82, 2017. DOI: 10.54040/jpk.v6i2.99. Disponível em: https://journal.stikvinc.ac.id/index.php/jpk/article/view/99. Acesso em: 19 sep. 2024.