Sri Ambarwati, Dwi Retno, and Eni Puji Astuti. “ERGONOMIC REVIEW IMPLEMENTATION OF MATERIALS AND CORRIDOR FLOOR FLOOR Dr. SARJITO · YOGYAKARTA”. Jurnal Penelitian Saintek, vol. 12, no. 1, Mar. 2007, doi:10.21831/jps.v12i1.5456.