Darmawan, Tengku Hamid, et al. “Development of students’ Worksheet-Based AR Video and QR-Timer Test on Biographical Text Materials Class X Senior High School 1 Pelalawan”. Jurnal Inovasi Teknologi Pendidikan, vol. 11, no. 3, Sept. 2024, pp. 310-2, doi:10.21831/jitp.v11i3.67633.