Ifdil Ifdil, Nilma Zola, Rima Pratiwi Fadli, Elfi Churnia, Yola Eka Putri, Berru Amalianita, “The Combinations of Lighting Technology, Neurological Processes and Language in Reducing of Acrophobia on Ifdil Perceptual Light Technique and Their Effect”, IJAST, vol. 29, no. 05, pp. 404 - 408, Apr. 2020.