Lee, Ju Seong (2019). "Quantity and diversity of informal digital learning of English" (PDF). Language Learning & Technology. 23: 114–126. https://scholarspace.manoa.hawaii.edu/bitstream/10125/44675/1/23_01_10125-44675.pdf
Olsson, Eva (2016). On the impact of extramural English and CLIL on productive vocabulary. Gothenburg: Acta Universitatis Gothoburgensis. pp. 50–54. ISBN 978-91-7346-865-7. 978-91-7346-865-7
"The science of language, community, and MMORPGs". 13 October 2014. https://www.engadget.com/2014-10-13-the-science-of-language-community-and-mmorpgs.html?guccounter=1
"Using Western Media to Motivate Students to Learn English". https://www.destructoid.com/blogs/AndrewRoss/using-western-media-to-motivate-students-to-learn-english-330926.phtml
Sundqvist, Pia; Sylvén, Liss Kerstin (2016). Extramural English in Teaching and Learning: From Theory and Research to Practice. New Language Learning and Teaching Environments. Palgrave Macmillan UK. ISBN 978-1-137-46047-9. 978-1-137-46047-9
Sundqvist, Pia (2009). "Extramural English Matters : Out-of-School English and Its Impact on Swedish Ninth Graders' Oral Proficiency and Vocabulary". Unpublished PhD thesis. https://www.diva-portal.org/smash/record.jsf?pid=diva2%3A275141&dswid=1064
Sundqvist, Pia (2011), Benson, Phil; Reinders, Hayo (eds.), "A Possible Path to Progress: Out-of-school English Language Learners in Sweden", Beyond the Language Classroom, London: Palgrave Macmillan UK, pp. 106–118, doi:10.1057/9780230306790_9, ISBN 978-1-349-32320-3, retrieved 2024-05-03 978-1-349-32320-3
"extramural, adj.", OED Online, Oxford University Press, retrieved 2021-01-25 https://www.oed.com/view/Entry/67115
Jensen, Signe Hannibal (2016-07-20). "Gaming as an English Language Learning Resource among Young Children in Denmark". CALICO Journal. 34 (1): 1–19. doi:10.1558/cj.29519. ISSN 2056-9017. https://www.equinoxpub.com/journals/index.php/CALICO/article/view/29519
Peters, Elke; Noreillie, Ann-Sophie; Heylen, Kris; Bulté, Bram; Desmet, Piet (September 2019). "The Impact of Instruction and Out-of-School Exposure to Foreign Language Input on Learners' Vocabulary Knowledge in Two Languages". Language Learning. 69 (3): 747–782. doi:10.1111/lang.12351. ISSN 0023-8333. S2CID 182047248. https://onlinelibrary.wiley.com/doi/10.1111/lang.12351
Chik, Alice. "Digital gaming and language learning: Autonomy and community" (PDF). Language Learning & Technology. 18: 85–100. https://scholarspace.manoa.hawaii.edu/bitstream/10125/44371/18_02_chik.pdf
Eisenchlas, Susana A.; Schalley, Andrea C.; Moyes, Gordon (2016-03-03). "Play to learn: self-directed home language literacy acquisition through online games". International Journal of Bilingual Education and Bilingualism. 19 (2): 136–152. doi:10.1080/13670050.2015.1037715. hdl:10072/154670. ISSN 1367-0050. S2CID 141852222. http://www.tandfonline.com/doi/full/10.1080/13670050.2015.1037715
Kondo, Mutsumi; Ishikawa, Yasushige; Smith, Craig; Sakamoto, Kishio; Shimomura, Hidenori; Wada, Norihisa (April 2012). "Mobile Assisted Language Learning in university EFL courses in Japan: developing attitudes and skills for self-regulated learning". ReCALL. 24 (2): 169–187. doi:10.1017/S0958344012000055. ISSN 1474-0109. S2CID 44865424. https://www.cambridge.org/core/journals/recall/article/abs/mobile-assisted-language-learning-in-university-efl-courses-in-japan-developing-attitudes-and-skills-for-selfregulated-learning/C511DFFF78A4FCC79E0C1F612BC02F55
"30-day-challenge – extramural engelska i fokus". 7 January 2015. https://miasklassrum.wordpress.com/2015/01/07/30-day-challenge-extramural-engelska-i-fokus/
Sundqvist, Pia; Sylvén, Liss Kerstin (2016). Extramural English in Teaching and Learning: From Theory and Research to Practice. New Language Learning and Teaching Environments. Palgrave Macmillan UK. ISBN 978-1-137-46047-9. 978-1-137-46047-9
Sundqvist, Pia (2019). "Commercial-off-the-shelf games in the digital wild and L2 learner vocabulary". Language Learning & Technology. 23 (1): 87–113. https://scholarspace.manoa.hawaii.edu/server/api/core/bitstreams/e6ec2b94-ee53-420a-aaa0-dee66f956a5c/content
Bengtsson, A. (2023). The effects of extramural language: Relationships between engagement in Japanese language activities and general Japanese language proficiency. Doctoral Thesis, Stockholm University.