I Kadek Surya Atmaja, I Komang Sukendra, and I Wayan Widana. “PENGEMBANGAN BAHAN AJAR DIGITAL MATEMATIKA SMA KELAS X BERORIENTASI HOTS”. Widyadari, vol. 22, no. 2, Oct. 2021, pp. 459 -68, https://ojs.mahadewa.ac.id/index.php/widyadari/article/view/1388.