Nurita L. Development Development of Social Studies Teaching Materials Based on Local Potential in Cepu Region for Middle School Students in Blora. J. Dialekt. Pendidik. IPS [Internet]. 2022 Aug. 2 [cited 2024 Dec. 7];2(2):48-61. Available from: https://ejournal.unesa.ac.id/index.php/PENIPS/article/view/47417