Francis Attah, Wah June Leong, Cynthia Mui Lian Kon, Farah Lateef Joey. Sparse Topic Classification on Large Sets of Documents via Non-negative Matrix Tri-factorization. MJoSHT [Internet]. 2026 Oct. 29 [cited 2026 Oct. 29];12(2):127-34. Available from: https://mjosht.usim.edu.my/index.php/mjosht/article/view/599