Phutcharinya, A., & Sukbua, K. (2023). Guidelines for Development of Cultural Tourism in Elderly with Participation of Volunteers in Community Tourism, Khon San District, Chaiyaphum Province. MBA-KKU Journal, 16(2), 170–192. retrieved from https://so04.tci-thaijo.org/index.php/mbakkujournal/article/view/264849