N. Heriyah, Putri.Alya, & Mesa.Neng. (2026). Public Investment in Renewable Energy R&D under Geopolitical Risks and Economic Uncertainty: A Systematic Review in the Transportation Subsector. Journal of Creative Power and Ambition (JCPA), 4(01), 87–106. https://doi.org/10.70610/jcpa.1150