PUTRI, Hawraul Insiyyah Sembodo. Open innovation analysis of the penta helix electric bus collaboration: Advancements in sustainable energy and engineering. Journal of Innovation Materials, Energy, and Sustainable Engineering, [S. l.], v. 2, n. 2, p. 110–124, 2025. DOI: 10.61511/jimese.v2i2.2025.1218. Disponível em: https://journal-iasssf.com/index.php/JIMESE/article/view/1218. Acesso em: 9 jul. 2025.