Hasan, Moh, Chintya Monikasari, and Kusbudiono. 2026. “Sparse Matrix Factorization Using Multifrontal QR and Supernodal Cholesky Methods”. Jurnal Matematika UNAND 15 (3):449-59. https://doi.org/10.25077/jmua.15.3.449-459.2026.