PURBA, J. H. V.; SURYANTI, C. V. S.; SARAGI, C. P. BUKU AJAR STATISTIKA PENELITIAN. Kesatuan Press, [S. l.], v. 13, n. 1, 2025. Disponível em: https://jurnal.ibik.ac.id/index.php/kpress/article/view/5334. Acesso em: 24 jun. 2026.