https://en.m.wikipedia.org/wiki/Code-switching
https://m.youtube.com/watch?v=7Na4UvRIhu4
https://es.m.wikipedia.org/wiki/Alternancia_de_c%C3%B3digo
https://m.youtube.com/watch?v=KL9ku7c7UTs
https://m.youtube.com/watch?v=NphJULxY5ng
https://m.youtube.com/watch?v=QNbdn0yuUw8
https://m.youtube.com/watch?v=bq2mlaYFzAw
https://pt.m.wikipedia.org/wiki/Altern%C3%A2ncia_de_c%C3%B3digo_lingu%C3%ADstico
https://en.m.wikipedia.org/wiki/Diglossia
https://en.wikipedia.org/wiki/Philippines#Languages
https://en.wikipedia.org/wiki/Tagalog_language
https://en.wikipedia.org/wiki/Philippine_English
https://en.wikipedia.org/wiki/Pidgin
https://en.wikipedia.org/wiki/African-American_Vernacular_English
https://es.wikipedia.org/wiki/Ingl%C3%A9s_afroestadounidense_vern%C3%A1culo
https://journals.sagepub.com/doi/10.1177/0075424209339281
https://es.wikipedia.org/wiki/Diglosia
https://en.wikipedia.org/wiki/Modern_Standard_Arabic