Yankı Grubu
http://www.yankigrubu.com/
Teknik Emniyet
https://www.teknikemniyet.com/
eLototo Yazılımı
http://elototo.com/
Yankı Eked Youtube Kanalı
https://www.youtube.com/channel/UCxU0KrH8pnzn7SmDPrL7rjw
İsg Eğitim Merkezi
http://www.isgegitimmerkezi.org/
OSHA 1910.147 Prosedürü
https://www.osha.gov/enforcement/directives/std-01-05-019
Master Lock Ürün Kataloğu
https://cdn.masterlock.com/masterlock/resources/documents/pdf/catalogues/business-use/safety-solutions/Safety-Catalogue-EN-DE.pdf
Sağlık Bakanlığı
https://www.saglik.gov.tr/
