Muzakir, Ari, R.M Nasrul Halim, and Andri Wijaya. 2020. “Perangkat Lunak Pencarian Apotek Menggunakan Metode Item Based Collaborative Filltering Dan Algoritma Floyd Warshall”. Journal of Software Engineering Ampera 1 (3):122-33. https://doi.org/10.51519/journalsea.v1i3.50.