Cojocaru, Adin-Marian, and Marilena Cojocaru. “Develop Vertical Jump to Junior Volleyball Players by Plyometric Special Means”. LUMEN Proceedings 9 (October 8, 2019): 49-56. Accessed December 12, 2025. https://proceedings.lumenpublishing.com/ojs/index.php/lumenproceedings/article/view/160.