MURTONO, A. Keterkaitan antara nilai-nilai efektif, rata-rata, dan ripple . JURNAL ELTEK, [S. l.], v. 20, n. 1, p. 53–68, 2022. DOI: 10.33795/eltek.v20i1.347. Disponível em: http://jurnal.polinema.ac.id/index.php/eltek/article/view/3105. Acesso em: 28 oct. 2024.