See Winton & Lim (2014): http://aaiddjournals.org/doi/abs/10.1352/2326-6988-2.03.160 

Try Wan Shun Eva Lam. She has several studies.  I also have a book chapter and article in the Tapestry journal about ELs and Facebook.

Daniel, 

Are you familiar with the work out of Alfredo Artiles at ASU on culturally responsive teaching and learning for diverse students? It addresses language difference and special education on a number of pedagogical and curricular areas. I have included the general web url as well as a beautifully organized learning carousel with a multiple range of resources. 

http://www.equityallianceatasu.org/

learning carousel: 

http://ea.niusileadscape.org/lc

Perhaps this research on helping Creole language students to write and speak English for the purposes of exams can be helpful:

https://www.researchgate.net/publication/263767122_Social_Media_in_Education_Bringing_Your_Classroom_to_Life_-_UWI_Research_Expo_2013

Best regards,

Debra

Conference Paper Social Media in Education: Bringing Your Classroom to Life -...