M. E. F. Foriansyah and C. . Taurusta, “Design and Build an RPG Game ‘Drop the Dragon’ as a Medium for Practicing Mathematics Using the Finite State Machine Method: Rancang Bangun Game RPG ‘Jatuhkan Naga’ Sebagai Media Berlatih Matematika Menggunakan Metode Finite State Machine”, PELS, vol. 2, no. 2, Jun. 2022.