Multimedia 

https:// www.compostaenred.org/el-compost-y-el-compostaje/

https:// www.tierra.org/wp-content/uploads/2015/03/compost_esp_v04.pdf

 https://cortolima.gov.co/sala-de-prensa/noticias/1683-como-conservar-el-suelo-un-soporte-de-vida

 https://www.360-sv.com/blog/tipos-de-compostaje