[1]
Putri, H.I.S. 2025. Open innovation analysis of the penta helix electric bus collaboration: Advancements in sustainable energy and engineering. Journal of Innovation Materials, Energy, and Sustainable Engineering. 2, 2 (Jan. 2025), 110–124. DOI:https://doi.org/10.61511/jimese.v2i2.2025.1218.