Azmi Nor, Muhammad Danial Bin, et al. “Perisian Kursus (Course Software Courseware) Bagi Pembelajaran Berbantukan Komputer (PBK) Untuk Jual Beli Mata Wang Kripto Siacoin Menggunakan Indikator Teknikal Jalur Bollinger. ”. Multidisciplinary Applied Research and Innovation, vol. 3, no. 1, Feb. 2022, pp. 29–34, https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/3405.