Salsabila Fitria Eriyani, et al. “EFEKTIVITAS LATIHAN ABDOMINAL HOLLOWING TERHADAP PENURUNAN NYERI DAN DISABILITAS LOW BACK PAIN PADA PEKERJA KANTOR: NARRATIVE REVIEW”. Journal of Innovation Research and Knowledge, vol. 5, no. 8, Jan. 2026, pp. 9311-8, https://mail.bajangjournal.com/index.php/JIRK/article/view/12120.