“V(z) Evaluation of Crystallographic Orientations Effects on Elastic Properties of Sodium Cobalt Germanate Single Crystals”. ِabhath Journal 8, no. 8 (January 6, 2022): 1. Accessed September 30, 2026. https://ojs.abhath-ye.com/index.php/OJSABAHATH-YE/article/view/252.