Ummah, Khoirul. “SISTEM REKOMENDASI PEMBELAJARAN PADA E-LEARNING MENGGUNAKAN ALGORITMA CT-PRO”. JURNAL TEKNOLOGI TECHNOSCIENTIA 7, no. 2 (February 1, 2015): 144–149. Accessed November 27, 2024. https://ejournal.akprind.ac.id/index.php/technoscientia/article/view/201.