1.
เปรมปรี ฐ. The Potential for Ecotourism in National Parks, Chaiyaphum. RMUTT J Hum Soc Sci [internet]. 2015 Jun. 30 [cited 2026 Sep. 3];2(1):118-30. available from: https://so05.tci-thaijo.org/index.php/RMUTI_SS/article/view/196005