F. A. B. K. Panjaitan, Juharsah, A. A. . Muhamat, U. O. . Damau, and H. . Panjaitan, “The Role of Price Perception in Interest in Buying Smartphones Through Optimization of Product Quality and Brand Image”, jabm, vol. 10, no. 2, p. 447, May 2024, doi: 10.17358/jabm.10.2.447.