Firman Hidayat and M. Yamani, “The Constitutionality of Presidential Instruction Number 9 of 2025 on the Acceleration of the Establishment of Merah Putih Village/Sub-District Cooperatives An Analysis Under Article 33 Paragraph (1) of the 1945 Constitution of the Republic of Indonesia”, IJERLAS, vol. 6, no. 5, Sep. 2026.