Wibowo, W. A., Bayu, W. I., Iyakrus, I., Kurdi, F. N., Hartati, H., & Syafaruddin, S. (2023). Development of a digital-based sit and reach box for measuring body flexibility. Jurnal Maenpo : Jurnal Pendidikan Jasmani Kesehatan Dan Rekreasi, 13(1), 100–110. https://doi.org/10.35194/jm.v13i1.3272