Pongthornpruek, S., Pampasit, S., Promtep, K. and Nabheerong, P. (2017) “The diversity of pteridophytes along a natural trial at Phu Soi Dao national park, Phitsanulok province, Thailand”, Asia-Pacific Journal of Science and Technology, 13(8), pp. 895–905. available at: https://so01.tci-thaijo.org/index.php/APST/article/view/83554 (accessed: 29 September 2026).