German surveys published in tekstil & teknik in the last decade
2019 https://www.yumpu.com/en/document/read/62621329/tekstil-teknik-nisan-2019/37
2018 https://www.yumpu.com/xx/document/read/60798795/tekstil-teknik-haziran-2018/47
2017 https://www.yumpu.com/tr/embed/view/SR9reKCgcnoB03Oj/55
2016 http://issuu.com/tekstilteknik/docs/tekstil-haziran16/59?e=3473111/36677961
2015 https://issuu.com/tekstilteknik/docs/tekstil-haziran15/79?e=0
2014 https://issuu.com/tekstilteknik/docs/tekstil_temmuz__2014_web/83?e=0
2013 https://issuu.com/tekstilteknik/docs/tekstilteknik_subat13/89?e=3473111/1509982