Kusumah, C.M. and Novita, D. 2019. THE EFFECTIVITY OF ORAI APPLICATION IN TEACHING PRESENTATION SKILLS FOR NON-ENGLISH SENIOR HIGH SCHOOL TEACHERS. JELA (Journal of English Language Teaching, Literature and Applied Linguistics). 1, 2 (Oct. 2019), 47–53. DOI:https://doi.org/10.37742/jela.v1i2.10.