Nurul Azman NAA, Norrimi Rosaida Awang, Hanafia ZH. Assessment of Weekday and Weekend Variations on Ground Level Ozone and Nitrogen Dioxide Concentration in Jeli, Kelantan. jsunr [Internet]. 2025 Jul. 7 [cited 2026 Aug. 12];6(1):68-81. Available from: https://journal.uthm.edu.my/index.php/jsunr/article/view/21141