Atan, Alyaa Afza, Mohd Saifullah Rusiman, Norziha Che Him, and Muhammad Luqman Hakim Mislan. 2025. “Analysis of Household Income and Expenditure in Malaysia Using Principal Component Analysis and Maximum Likelihood Estimation”. Enhanced Knowledge in Sciences and Technology 5 (1): 346-55. https://penerbit.uthm.edu.my/periodicals/index.php/ekst/article/view/18492.