Maulana, K. R., W. Widiyono, and A. S. Darmawan. “Predicting Tablet Drug Expenditures Using Python-Based Facebook Prophet in Pharmaceutical Installations”. JURNAL TEKNOLOGI DAN OPEN SOURCE, Vol. 8, no. 2, Dec. 2025, pp. 709 -21, doi:10.36378/jtos.v8i2.4907.