Purba, J. H. V., Suryanti, C. V. S. and Saragi, C. P. (2025) “BUKU AJAR STATISTIKA PENELITIAN”, Kesatuan Press, 13(1). Available at: https://jurnal.ibik.ac.id/index.php/kpress/article/view/5334 (Accessed: 24 June 2026).