%0 Journal Article %T Partial orders on \(C = D + Di\) and \(H = D + Di + Dj + Dk\) %A Jingjing Ma %J - %D 2015 %R 10.14419/ijams.v3i2.4773 %U https://www.sciencepubco.com/index.php/IJAMS/article/view/4773