N. A. A. Nurul Azman, Norrimi Rosaida Awang, and Z. H. . Hanafia, “Assessment of Weekday and Weekend Variations on Ground Level Ozone and Nitrogen Dioxide Concentration in Jeli, Kelantan”, jsunr, vol. 6, no. 1, pp. 68–81, Jul. 2025, Accessed: Mar. 11, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/jsunr/article/view/21141