Muzakir, Ari, R.M Nasrul Halim, and Andri Wijaya. “Perangkat Lunak Pencarian Apotek Menggunakan Metode Item Based Collaborative Filltering Dan Algoritma Floyd Warshall”. Journal of Software Engineering Ampera 1, no. 3 (October 17, 2020): 122–133. Accessed April 20, 2026. https://journal-computing.org/index.php/journal-sea/article/view/50.