[[https://320volt.com/en/pic16f627-ultrasonik-kedi-kopek-kovucu-devresi/|Ultrasonic Cat & Dog Repeller Circuit PIC16F627]]

[[https://www.youtube.com/watch?v=WFmWMvavBCc|Dog-gone-duino]]

[[https://www.lsu.edu/deafness/HearingRange.html|How Well Do Dogs and Other Animals Hear?]]


[[https://asa.scitation.org/doi/full/10.1121/1.5063817|
Public exposure to ultrasound and very high-frequency sound in air
]]

[[https://www.militaryworldsrl.com/en/super-ultrasonic-repellent-for-aggressive-150db-ultrasound-dogs/|"Super Ultrasonic" repellent for aggressive 150dB ultrasound dogs]]

[[https://safestart.com/news/shared-responsibilities-ppe-compliance/|The Shared Responsibilities of PPE Compliance]]

[[https://create.arduino.cc/projecthub/Isaac100/getting-started-with-the-hc-sr04-ultrasonic-sensor-036380|Getting Started with the HC-SR04 Ultrasonic sensor]]


[[https://www.health.belgium.be/en/ultrasonic-consumer-products|Some consumer products using high sound frequencies]]



[[https://www.bodyarmorusa.com/cut-and-bite-resistant-clothing-c12ip|Cut And Bite Resistant Clothing]]


[[https://global.llbean.com/shop/Mens-Stowaway-Rain-Jacket-with-Gore-Tex/91005.html#start=1|Men's Stowaway Rain Jacket with Gore-Tex]]

[[https://www.gore-tex.com/pressroom/press-release/innovation-technology/the-gore-tex-membrane-%E2%80%93-an-extraordinary-allrounder|The GORE-TEX Membrane – an extraordinary allrounder]]

[[https://www.ccohs.ca/oshanswers/occup_workplace/delivery_persons.html|OSH Answers Fact Sheets]]

[[https://www.ehstoday.com/safety/article/21918941/usps-taking-a-bite-out-of-dog-attacks|USPS: Taking a Bite Out of Dog Attacks]]


[[https://about.usps.com/postal-bulletin/2007/html/pb22205/dogkit.3.21.html|USPS Using Dog Repellent]]

[[https://www.ndsu.edu/fileadmin/policesafety/docs/OccupationalSafetyandEnvironmentalHealth.pdf|Guidelines for Occupational Health and Safety in the Care]]

[[http://www.preventthebite.org/|Prevent The Bite Education Program can be presented by anyone dedicated to teaching others how to avoid dog bites.]]

[[https://www.researchgate.net/publication/5573206_Canine_and_human_factors_related_to_dog_bite_injuries/link/543d78930cf25d6b1ad94ad7/download|Canine and human factors related to dog bite injuries]]


[[https://ehs.umich.edu/research-clinical/animals/protective-equipment/|Protective Equipment for Working with Animals]]

[[https://www.ehstoday.com/safety/media-gallery/21918954/can-you-score-100-on-this-dog-safety-quiz-your-mail-carrier-wants-to-know-photo-gallery|Can You Score 100% on this Dog Safety Quiz? (Your Mail Carrier Wants to Know!)]]

[[https://incident-prevention.com/ip-articles/occupational-dog-bite-prevention-safety|Occupational Dog Bite Prevention & Safety]]

[[https://safestart.com/news/occupational-dog-bite-safety-utility-workers/|Occupational Dog Bite Safety for Utility Workers]]

[[https://ohsonline.com/articles/2008/05/tips-dog-bite-prevention.aspx?admgarea=magazine|Tips: Dog Bite Prevention]]