Mohamad Asyqari Anugrah, Yaya Wihardi, and Rani Megasari. “Unsupervised Clustering of Handwritten Essay Answer Images Using Vision Transformer”. Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI), vol. 4, no. 2, Aug. 2025, pp. 845-54, doi:10.62712/juktisi.v4i2.517.