Mazlan MH, Ngah N, Said NA, Ibrahim MH, Aziz KA, Baba NB. Analysis Effects of COVID-19 Pandemic on Productivity: A Survey in PETRONAS Pengerang, Johor. IJSET [Internet]. 2023Oct.31 [cited 2026Jun.6];4(2):37-3. Available from: https://ijset.tatiuc.edu.my/index.php/ijset/article/view/158