D. Horuz, S. Çörekçioğlu, and S. Raskovski, “Implementing of 5s rule in iron-steel industry company”, Studia Mundi – Economica, vol. 8, no. 1, pp. 77–86, Mar. 2021, doi: 10.18531/Studia.Mundi.2021.08.01.77-86.