กว้างสวาสดิ์ อ.; จัตตามาศ อ.; พรมยัง จ. Website Optimization of Cultural Tourism Prachuap Khiri Khan Province for Google Search Engine Ranking. Rattanakosin Journal of Science and Technology, [S. l.], v. 1, n. 2, p. 57–71, 2019. Disponível em: https://ph02.tci-thaijo.org/index.php/RJST/article/view/240825. Acesso em: 27 aug. 2026.