Innovation and Collaboration Model Based on Ecological Fiscal Transfer Approach: Case Study on Green Siak Regency Policy DevelopmentBaskoro Wicaksono, Auradian Marta, Rury Febrina, Muhammad Rafi, Gusmansyah Gusmansyah and Putri HergianasariE3S Web Conf., 611 (2025) 03004DOI: https://doi.org/10.1051/e3sconf/202561103004