Ramlah, Ramlah, Adriana Bulu Baan, Gunawan Gunawan, and Rahmayati Rahmayati. “Efforts to Improve Long Serve Skills in Badminton through the Demonstration Method: Upaya Meningkatkan Keterampilan Servis Panjang Dalam Permainan Bulu Tangkis Melalui Metode Demonstrasi”. Ainara Journal (Jurnal Penelitian dan PKM Bidang Ilmu Pendidikan) 6, no. 4 (December 22, 2025): 454–461. Accessed December 29, 2025. http://journal.ainarapress.org/index.php/ainj/article/view/929.