Lubis, H. ., A. Manik, and A. S. . Sitorus. “Optimization of Bread Inventory Requirement Estimation Using Multiple Linear Regression Method at Coffeebox Medan”. Jurnal ICT : Information and Communication Technologies, vol. 15, no. 2, Jan. 2025, pp. 77-85, doi:10.35335/jict.v15i2.185.