Shita, R. T., L. Lauw, and F. Tarigan. “Implementation of E-Commerce on ADA Bakery Based on Codeigniter Framework: Implementasi E-Commerce Pada ADA Bakery Berbasis Codeigniter Framework”. SYSTEMATICS, vol. 4, no. 2, Aug. 2022, pp. 449-61, doi:10.35706/sys.v4i2.6730.