https://www.google.es/search?q=Ticks&prmd=ivn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjysLuWjbfLAhVEXB4KHQa5CXwQ_AUIBygB&biw=360&bih=511#tbm=isch&q=Tics&imgrc=5QEAou9p3YPWSM%3A

https://www.google.es/search?q=Ticks&prmd=ivn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjysLuWjbfLAhVEXB4KHQa5CXwQ_AUIBygB&biw=360&bih=511#tbm=isch&q=Tics&imgrc=jQzfd0zUfGRjyM%3A

http://noticias.iberestudios.com/%C2%BFque-son-las-tic-y-para-que-sirven/

https://mao9328.wordpress.com/2009/04/21/hello-world/

https://youtu.be/d2Sil23wp9E