ikhsanudin, ikhsanudin, Erica Ikramunnisa, and Ratri Paramita. “Current Studies in Local-Culture Based ELT Materials Development Evaluation Instruments: Systematic Review”. Journal of Applied Studies in Language 7, no. 2 (December 8, 2023): 207–215. Accessed November 23, 2024. https://ojs2.pnb.ac.id/index.php/JASL/article/view/1511.