Hayati, Dea Najmi, and Romi Cendra. 2025. “Upaya Meningkatkatkan Keterampilan Servis Panjang Permainan Bulutangkis Melalui Metode STAD (Student Team Achievement Division) Siswa Kelas 3 SMPN 6 Siak Hulu”. Innovative: Journal Of Social Science Research 5 (3):7491-7501. https://doi.org/10.31004/innovative.v5i3.20170.