Madhyamapurush, W. (2018) “Tourism Management in Phu Hin Long Kran Nation Park, Phitsanulok”, Parichart Journal, 31(3), pp. 131–144. available at: https://so05.tci-thaijo.org/index.php/parichartjournal/article/view/147388 (accessed: 4 October 2026).