วณิชย์กุล ณ.; วิภัติภูมิประเทศ ธ. Differentiation Strategy of Cultural Tour Service in Luang Prabang: A Case Study of Tour Eurng Luang Company Limited. Siam University Journal of Business Administration, Bangkok, Thailand, v. 17, n. 28, p. 1–24, 2022. Disponível em: https://so07.tci-thaijo.org/index.php/sujba/article/view/854. Acesso em: 16 jul. 2025.