Alqahtani, M. (2015). The importance of vocabulary in language learning and how to be taught. International journal of teaching and education, 3(3), 21-34.
Alsied, S. M., & Pathan, M. M. (2013). The use of computer technology in EFL classroom: Advantages and implications. International Journal of English Language & Translation Studies (IJ-ELTS), 1(1), 61-71.
Annisa, R. (2020). Rosetta Stone CALL Software as A Vocabulary Teaching Media at Indonesian High Schools. International Journal of Linguistics, Literature and Translation, 4(2), 13-17.
Bajorek, J. P. (2017). L2 Pronunciation in CALL: The Unrealized Potential of Rosetta Stone, Duolingo, Babbel, and Mango Languages. Issues and Trends in Educational Technology, 5(1), 24-51.
Bromberg, M. & Gordon, M. (2000). 1100 Words you need to know. Barrons Educational Series.
Bromberg, M., Liebb, J., & Traiger, A. (1996). 504 absolutely essential words (4th Ed.). Woodbury, NY: Barron's Educational Series, Inc
Cavus, N., & Ibrahim, D. (2017). Learning English using children's stories in mobile devices. British Journal of Educational Technology, 48(2), 625-641.
Díaz, B. G., & Bermúdez, N. M. (2017). Duolingo: A Useful Complementary Mobile Tool to Improve English as a Foreign Language Learning and Teaching.
Godwin-Jones, R. (2007). Tools and trends in self-paced language instruction. Language Learning & Technology, 11(2), 10-17.
Gu, Y., & Johnson, R. K. (1996). Vocabulary learning strategies and language learning outcomes. Language learning, 46(4), 643-679.
Hanif, H. (2016). Using Rosetta Stone Software As Media In Teaching English Vocabulary (An Experimental Study At SDN No. 02 Lhoksukon). Getsempena English Education Journal, 2(1), 21.
Hatch, E., & Brown, C. (1995). Vocabulary, semantics, and language education. Cambridge University Press, 40 West 20th Street, New York, NY 10011-4211 (hardback: ISBN-0-521-47409-4; paperback: ISBN-0-521-47942-8).
Ko, M. H. (2019). Students’ reactions to using smartphones and social media for vocabulary feedback. Computer Assisted Language Learning, 32(8), 920-944.
Lau, T. L. J. (2003). SLLS: An online conversational spoken language learning system (Doctoral dissertation, Massachusetts Institute of Technology).
Lin, L. F. (2010). English learners’ incidental vocabulary acquisition in the video-based CALL program. The Asian EFL Journal, 12(4), 51-66.
Lord, G. (2015). An Exploratory Study into the Effectiveness of Rosetta Stone for Language Learning.
Materna, L. (2008). Adoption of Rosetta Stone Classroom: Case Study journal. www. Rosetta Stone. Com/ schools/ www.rider.edu. New Jersey. USA. Accessed on March 26, 2013.
Moroz, A. (2013). App assisted language learning: How students perceive Japanese smartphone apps. University of Alberta (Canada).
Nation, I. S. (2001). Learning vocabulary in another language. Cambridge university press.
Prasetyo, G. A., Martono, M., & Suparno, S. (2018). The Use of Rosetta Stone as Teaching Media to Improve Students’ Vocabulary Mastery. English Education, 6(3), 304-311.
Rockman, S. (2009). An effectiveness study of the Rosetta Stone Spanish language solution. Rosetta Stone Evaluation Report resources. rosettastone.com/.../Rockman-Evaluation-Report.pdf. Accessed on July 2013.
Steel, C. (2012, November). Fitting learning into life: Language students’ perspectives on benefits of using mobile apps. In ascilite (pp. 875-880).
Stone, R. (2012). Rosetta Stone Launches New Language-Learning Solution for K-12 Market. Press release at Arlington, V. A. on 23 April 2012.
Tozcu, A., & Coady, J. (2004). Successful learning of frequent vocabulary through CALL also benefits reading comprehension and speed. Computer assisted language learning, 17(5), 473-495.
Walters, J. (2004). Teaching the use of context to infer meaning: A longitudinal survey of L1 and L2 vocabulary research. Language Teaching, 37(4), 243-252.
Wilkins, R. (2004). Running up the down's escalator: The contemporary approach to educational change. Management in Education, 18(1), 6-11.