Hapsari, Suci, Yulia Nur Ekawati, and Nur Laila Molla. “Implementing Quick Response (QR) Codes in Teaching Reading”. English Focus: Journal of English Language Education 2, no. 2 (December 19, 2019): 70-80. Accessed January 28, 2023. https://englishfocus.upstegal.ac.id/index.php/efj/article/view/57.