Hurdle technology

R. N. (2000). "Preservation of South African Steamed Bread Using Hurdle Technology" (PDF). Lebensmittel-Wissenschaft & Technologie. 33 (2): 138–143.

Rick MacInnes-Rae, Rick (November 27, 2013). "GMO salmon firm clears one hurdle but still waits for key OKs AquaBounty began seeking American approval in

gov/NewsEvents/Newsroom/PressAnnouncements/ucm403122.htm "Inhaled Insulin Clears Hurdle Toward F.D.A. Approval". New York Times. Diakses tanggal 12 April 2014. 

tanggal January 21, 2017.  "Qualcomm's $47 Billion Acquisition Clears Key Hurdle". Fortune. April 4, 2017. Diakses tanggal October 5, 2017.  Chee, Foo Yun

(3–4): 2. doi:10.1080/00085006.2017.1384665.  "Nazi slave fund passes final hurdle". 2001-05-30. Diakses tanggal 2021-02-06.  Steinert, Johannes-Dieter. Kleine