Suhadi, W., P. Nita, and S. Wanto. “Pengaruh Model Belajar Picture and Picture Terhadap Hasil Belajar Servis Bawah Bola Voli Siswa Kelas XI SMA Negeri 1 Belitang Jaya”. PPSDP Undergraduate Journal of Educational Sciences, vol. 2, no. 2, Dec. 2025, pp. 185-9, doi:10.59175/pujes.v2i2.637.