Siregar, Nurliani, Hisar Siregar, Esti Sirait, Sunggul Pasaribu, Bangun Aruan, Ester Sitorus, Riana Lumbanraja, Sorta Sihombing, Jasmin Manullang, and Tumpal Sirait. 2023. “Penerapan Quantum Teaching Terhadap Mata Pelajaran Pendidikan Agama Kristen Di SMK Negeri 5 Medan”. Innovative: Journal Of Social Science Research 3 (2):11803-14. https://j-innovative.org/index.php/Innovative/article/view/1523.