Thamara, F., F. Dandi, I. Maulida, and V. F. Sanjaya. “Effect of Price Discount, Instore Display, and Promotion on Impulse Buying”. Journal of Islamic Economic Scholar, vol. 1, no. 2, Dec. 2020, pp. 186-9, doi:10.14421/jies.2020.1.2.186-196.