Ruslan, Noraini, Muhammad Haqim Mohamad Zakariah, Muhammad Azraie Abdul Kadir, Muhammad Fakri Othman, and Ezzaruddin Abdul Rapar. “Oil Palm Tourism As a Strategy for Sustainability and Positive Engagement: A Preliminary Case Study for SD Guthrie EcoGardens”. Journal of Sustainable Natural Resources 6, no. 2 (December 31, 2025): 46–54. Accessed August 13, 2026. https://journal.uthm.edu.my/index.php/jsunr/article/view/24519.