Hanrayani, Hanrayani, and Ari Iswanto. 2026. “Interactive Multimedia And Direct Instruction Elevate Volleyball Mastery For Slow Learners: Multimedia Interaktif Dan Instruksi Langsung Mengangkat Penguasaan Voli Siswa Lamban Belajar”. Academia Open 11 (2):10.21070/acopen.11.2026.15166. https://doi.org/10.21070/acopen.11.2026.15166.