Nurcholis, E., Sulaiman, S. and Fakhruddin, F. 2017. Implementasi Buku Ajar PJOK Kelas IX pada SMP Piloting Kabupaten Kendal. Journal of Physical Education and Sports. 6, 2 (Sep. 2017), 117-124. DOI:https://doi.org/10.15294/jpes.v6i2.17384.