Abdurahim A, Romdhini MU, Wardhana IGAW. Analisis Penyelesaian Rubik 2×2 Menggunakan Grup Permutasi. BetaJTM [Internet]. 2011 Nov. 25 [cited 2026 Aug. 8];4(2):151-6. Available from: https://jurnalbeta.ac.id/index.php/betaJTM/article/view/78