Kedar S, Kolhalkar N, Mishra P. A Comprehensive Evaluation Method for Environmental Pollution in Tourist Attractions Based on Improved Principle Component Analysis. AAES [Internet]. 2024 Sep. 30 [cited 2025 Apr. 3];:1-11. Available from: https://ojs.bonviewpress.com/index.php/AAES/article/view/2862