Brawijaya, Fanny, Agung Teguh Wibowo Almais, and Totok Chamidy. “Multivariate LSTM for Drug Purchase Prediction in Pharmaceutical Management”. Journal of Information Systems and Informatics 7, no. 4 (December 10, 2025): 3502–3521. Accessed March 7, 2026. https://journal-isi.org/index.php/isi/article/view/1313.