Wijayanto, Feri. “Clustering Analysis of Chess Portable Game Notation Text”. Jurnal Sains, Nalar, dan Aplikasi Teknologi Informasi 3, no. 3 (July 4, 2024): 137–142. Accessed November 13, 2024. https://journal.uii.ac.id/jurnalsnati/article/view/34778.