Eben Haezarni Telaumbanua, Abdul Muin Sibuea, Harun Sitompul. Developing the Choir Learning Model for Teaching College Students. Elementary Education Online [Internet]. 2021 Mar. 11 [cited 2025 Jan. 15];20(1):674-80. Available from: https://ilkogretim-online.org/index.php/pub/article/view/904