Prakobboon R. The Curriculum Development of Morlum Folk Song of Thatpanom High School in Nakon Phanom Province. IJSASR [internet]. 2022 Feb. 12 [cited 2026 Apr. 21];2(1):13-22. available from: https://so07.tci-thaijo.org/index.php/IJSASR/article/view/407