อรุณ จิรวัฒน์กุล2023-12-122023-12-122558https://drive.google.com/file/d/13xO4_6KoRwbz3Gwe0P527KQpWpT0VGzu/view?fbclid=IwAR3lbsckNvcLeIUdO6hAXegQJn7nIlUAsvkb9xsqy1JJ1ZAEkuIFUmYO1johttps://libebook.kku.ac.th/handle/123456789/34