http://www.cccties.org/en/activities/chilo/
http://www.cccties.org/en/activities/chilo/trying-out-chilo/
https://github.com/cccties/moodle-theme_chilo
https://github.com/cccties/moodle-theme_chilo/wiki/e00.How-to-use#no4
https://github.com/cccties/moodle-theme_chilo/wiki/e01.How-to-create-courses-for-CHiLO-Book
https://github.com/cccties/chilo-producer/wiki/e00.Structure-of-CHiLO-Book
https://github.com/cccties/chilo-producer/wiki/e01.Production-of-CHiLO-Book
https://github.com/cccties/moodle-theme_chilo/wiki/e02.How-to-create-quizzes-for-CHiLO-Book
https://github.com/cccties/moodle-theme_chilo/wiki/e04.How-to-create-digital-badges-for-CHiLO-Book
https://github.com/cccties/moodle-theme_chilo/wiki/e03.How-to-create-forums-for-CHiLO-Book