Ketidaktepatan Waktu Kelulusan Mahasiswa Universitas Terbuka dengan Metode Boosting Cart. Jurnal Varian, [S. l.], v. 2, n. 2, p. 37–46, 2019. DOI: 10.30812/varian.v2i2.361. Disponível em: https://journal.universitasbumigora.ac.id/Varian/article/view/361. Acesso em: 1 jul. 2025.