Erti Kemala Sari Rkt, et al. “The Implementation of Singing Method (Joyful Learning) to Improve Learning Outcomes of Fourth Grade Students in Islamic Religious Education Subject on the Topic of Faith in Prophets and Messengers at SD Negeri 0307 Siundol Jae ”. Jurnal Profesionalisme Guru, vol. 1, no. 3, Mar. 2025, pp. 494 – 499, https://journal.maalahliyah.sch.id/index.php/jpg/article/view/316.