1. Jin N and Yan Z (2018) The construction and application of a personalized teaching space in mobile English. https://doi.org/10.3991/ijet.v13i11.9610
2. Moxon S, Thammarat NS (2023) Pronunciation coach 3D. Comput Assist Lang Learn Electron J (CALL-EJ), 24(1):205–221. http://callej.org/journal/22-3/Nushi-Sadeghi2021.pdf
3. Nushi M, Sadeghi M (2021) A critical review of ELSA: a pronunciation app. Comput Assist Lang Learn Electron J 22(3):287–302
4. Kholis A (2021) Elsa speak app: automatic speech recognition (ASR) for supplementing english pronunciation skills. Pedagogy J Engl Lang Teac 9(1), June 2021 E-ISSN: 2580-1473 & P-ISSN: 2338-882X
5. Becker K, Edalatishams I (2019) ELSA speak—Accent reduction [Review]. In: Levis J, Nagle C, Todey E (eds) Proceedings of the 10th pronunciation in second language learning and teaching conference, ISSN 2380-9566, Ames, IA, September 2018. Iowa State University, Ames, IA, pp 434–438