Charisma, D. and Suherman, S. 2018. THE EFFECTIVENESS OF USING LYRA PERSONAL ASSISTANT IN IMPROVING STUDENTS’ SPEAKING SKILL. Concept : Community Concern for English Pedagogy and Teaching. 4, 1 (Aug. 2018), 1–10. DOI:https://doi.org/10.32534/jconcept.v4i1.308.