Saibunmi , Skowrung, Vitchatalum Laovanich, and Monsikarn Laovanich. 2020. “His Majesty King Bhumibol Adulyadej’s Musical Genius: A Case Study of the Arrangement of 41 Royal Compositions With Lyrics for Choir”. Rangsit Music Journal 15 (1):71-86. https://so06.tci-thaijo.org/index.php/rmj/article/view/192893.