The Sub-District Government Is Taking Care of The State Border Area in Indonesia: A New Breakthrough but Its Authority Is Limited So That the Border Area Has Not Been Able to Develop (Study in Ketungau Tengah and Hulu Districts, Sintang Regency, West Kali. Intl. J. Rel. [Internet]. 2024 Jul. 4 [cited 2024 Nov. 24];5(10):3043-5. Available from: https://ijor.co.uk/ijor/article/view/6158