[1]
Sinulingga, A., Suprayitno, S. and Pertiwi, D. 2019. Professionalism of physical education teachers: from the leadership of school principals, school culture to teacher work motivation. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran. 5, 2 (Nov. 2019), 296-311. DOI:https://doi.org/10.29407/js_unpgri.v5i2.13113.