Sudiana, Kiki, Erni Tisnawati Sule, Imas Soemaryani, and Yunizar Yunizar. “The Development and Validation of the Penta Helix Construct”. Business: Theory and Practice 21, no. 1 (March 6, 2020): 136-145. Accessed November 30, 2024. https://transport.vgtu.lt/index.php/BTP/article/view/11231.