Riyanto R, Aryulina D, Suwarsono S. Identification of Students Knowledge on Local Games As a Basis to Develop Elementary School Science Textbook. IJER [Internet]. 2019 Aug. 28 [cited 2025 Apr. 3];1(2):12-8. Available from: https://ejournal.unib.ac.id/IJER/article/view/8836