Iin Rachmawati. “Understanding Cultural Differences Towards English-Speaking Countries in English Camp Program 2019”. Civic-Culture : Jurnal Ilmu Pendidikan PKN Dan Sosial Budaya, vol. 3, no. 2, Nov. 2019, http://publikasi.stkippgri-bkl.ac.id/index.php/CC/article/view/104.