Pratan, Tasanee, Khanungnit Hnuchek, Numtip Trakulmaykee, Suwatchanee Petcharat, Porntip Seamhan, and Jakkrit Manwicha. 2020. “Logistical Tourism Management in Phatthalung for Elderly Tourists”. Hatyai Academic Journal 18 (2). ฺSongkhla, Thailand:219-40. https://so01.tci-thaijo.org/index.php/HatyaiAcademicJournal/article/view/175769.