Alam NMF, Ramli N, Mohamed AST, Adnan NIM. Integration of 4253HT Smoother with Intuitionistic Fuzzy Time Series Forecasting Model. Pak.j.stat.oper.res. [Internet]. 2022Dec.6 [cited 2025Aug.2];18(4):929-41. Available from: https://pjsor.com/pjsor/article/view/4212