Ariani AT. The implementation of zoning system in suburban schools in Tulungagung Regency, Indonesia. Harmoni. Sos.: J. Pendidik. IPS [Internet]. 2021 Jan. 6 [cited 2025 May 19];7(2):183-9. Available from: https://journal.uny.ac.id/index.php/hsjpi/article/view/30343