Jaenal Abidin; WAGEYONO; Wulan Wangi. A descriptive Study on the Students’ Perception towards Code-Switching Used by English Teachers in Teaching-Learning Process at SMK Negeri 1 Banyuwangi in Academic Year 2019/2020. LUNAR, v. 5, n. 2, p. 239-244, 19 Dec. 2021.