Wilhelmus Merdyto Rhino Chandrika, Lismadiana, Trisnar Adi Prabowo.
The influence of motivation and professionalism on the performance of badminton coaches the special region of Yogyakarta province. Int J Phys Educ Sports Health 2024;11(1):157-160. DOI:
https://doi.org/10.22271/kheljournal.2024.v11.i1c.3216