Imau, Valentino Kerish, Rosniza Aznie Che Rose, and Norela Sulaiman. 2018. “Penilaian Kepuasan Pelancong Terhadap Ekopelancongan Di Bukit Fraser Menggunakan Model Importance-Performance Analysis (IPA): Evaluation of Tourist Satisfaction on Ecotourism in Fraser’s Hill Using Importance-Performance Analysis Model (IPA)”. GEOGRAFI 6 (2):29-41. https://ejournal.upsi.edu.my/index.php/GEOG/article/view/2086.