Ichsan Fauzi Pangestu, Henny Soepriyanti, Arafiq Arafiq, and Untung Waluyo. “A Cultural Content Analysis of English Textbooks Written by Native and Non-Native Speakers”. Simpati 1, no. 4 (October 5, 2023): 21–33. Accessed October 6, 2024. https://jurnal.alimspublishing.co.id/index.php/simpati/article/view/440.