MARWAN, MARWAN, SHELVI EKARIANI, and HARIPAMYU HARIPAMYU. 2021. “TEOREMA TITIK TETAP DI RUANG NORM-2 (R N, k., .K2)”. Jurnal Matematika UNAND 10 (1):116-28. https://doi.org/10.25077/jmu.10.1.116-128.2021.