Ng, Wei Inn Valerience, and Nor Atiqah Norazlimi. “The Diversity and Potential of Avitourism in Peat Swamp Ecosystem of Ayer Hitam Utara Forest Reserve, Johor”. Journal of Sustainable Natural Resources, vol. 3, no. 1, Oct. 2022, pp. 73-84, https://publisher.uthm.edu.my/ojs/index.php/jsunr/article/view/10595.