Kurniawan Y, Md. Som H, Nik Abd. Rahman NM, Inayatullah O, Yusuff NA, Musa NY. Kesan Energi Selawat Nabi Berdasarkan Perubahan Warna Aura: The Energy Effects of Salutation upon Prophet Muhammad Based on the Change of Colour Aura. PERS. 2016;8(2):109-121. Accessed January 29, 2026. https://ejournal.upsi.edu.my/index.php/PERS/article/view/1746