https://jesstravels.net/2017/04/18/volunteering-at-costa-rica-animal-rescue-center/

https://roundtheworldwithrhi.com/costa-rica-animal-rescue-center/

http://psychedaboutravel.com/my-experience-volunteering-at-the-costa-rica-animal-rescue-center/

https://livewhilstyourealive.com/animal-rescue-centre/

http://blog.touramigo.com/country/costa-rica/pura-vida-volunteering-at-an-animal-sanctuary-in-costa-rica/