$\left(1+\lambda uvw \right) $-constacyclic codes over the ring $\F_q[u,v,w]/ \langle u^2, v^2, w^2, uv-vu, vw-wv, uw-wu \rangle$. NS. 2017;24(1). Accessed December 15, 2025. https://www.nonlinearstudies.com/index.php/nonlinear/article/view/1466