Ni Luh Putu Sri Adnyani, and Dewa Ayu Novi Kusumawardani. “Interlanguage Analysis on Speech Produced by EFL Learners”. RETORIKA: Jurnal Ilmu Bahasa, vol. 6, no. 2, Oct. 2020, pp. 178-85, doi:10.22225/jr.6.2.2020.178-185.