Aziz, Mukhammad Nur, Widiarini Widiarini, Ahmad Saifudin, and Peni Nohantiya. 2023. “Pengembangan Modul Pembelajaran Renang Gaya Dada Berbasis QR Code”. Patria Educational Journal (PEJ) 2 (4):45-53. https://doi.org/10.28926/pej.v2i4.522.