Ria Putri Darmayati, & Sari Indah Oktanti Sembiring. (2026). The Implications of the Transition from GRI Standards 2016 to GRI Standards 2021 for Firm Value: Evidence from Indonesian Energy and Basic Materials Companies. Journal of Creative Power and Ambition (JCPA), 4(2), 11–20. https://doi.org/10.70610/jcpa.1519