2215-3411 2215-3411 S2215-34112020000300135 10.15517/ijds.2020.40593 Turkey Turkey 00 12 2020 00 12 2020 22 3 135 144

2018 69 1-21 1995 20 2 2 68-73 1995 20 5 5 180-5 2002 13 3 3 179-83 1992 20 4 4 245-9 2006 17 1 1 7-13 2012 40 1 1 15-21 2018 21 3 3 274-9 2011 36 3 3 318-25 2018 106 2 2 171-80 2013 17 6 6 1497-506 2013 17 2 2 609-17 2013 29 2 2 221-30 2018 21 6 6 627-31 2013 10 4 4 343-9 2014 11 1 1 6-12 2013 32 203-11 2013 71 541-6 2014 6 6 6 434-43 2017 9 4 4 257-64 2007 32 4 4 341-6 2007 25 4 4 645-9 2000 131 10 10 1459-64 2002 30 4 4 177-87 2006 23 10 10 1276-82 2000 50 1 1 1-12 2008 22 3 3 242-6 2014 28 19 19 1980-9 International Organization for Standardization 2004 2017 62 72-80 2019