Hanrayani, H., and A. Iswanto. “Interactive Multimedia And Direct Instruction Elevate Volleyball Mastery For Slow Learners: Multimedia Interaktif Dan Instruksi Langsung Mengangkat Penguasaan Voli Siswa Lamban Belajar”. Academia Open, vol. 11, no. 2, Aug. 2026, p. 10.21070/acopen.11.2026.15166, doi:10.21070/acopen.11.2026.15166.