Kedar, Shridhar, Nilesh Kolhalkar, and Prerna Mishra. “A Comprehensive Evaluation Method for Environmental Pollution in Tourist Attractions Based on Improved Principle Component Analysis”. Archives of Advanced Engineering Science (September 30, 2024): 1–11. Accessed November 21, 2024. https://ojs.bonviewpress.com/index.php/AAES/article/view/2862.