Khanjai, Teerapat, Pattanawit Sawanglap, Warut Thammawichai, Nathawat Poopakdee, Kusaya Suvanvihok, Somkiat Sukanghong, Somkid Rahong, and Sutinee Girdthep. 2020. “Finding and Analyzing Cause of Stain of Phra Maha Dhatu Nabhamethanidol and Nabhapolbhumisiri at Doi Inthanon National Park, Chom Thong, Chiang Mai”. Rajamangala University of Technology Srivijaya Research Journal 12 (3):384-98. https://li01.tci-thaijo.org/index.php/rmutsvrj/article/view/247647.