Fitriah, Zuraidah, Mohamad Handri Tuloli, Syaiful Anam, Noor Hidayat, Indah Yanti, and Dwi Mifta Mahanani. 2021. “Backpropagation With BFGS Optimizer for Covid-19 Prediction Cases in Surabaya”. Telematika: Jurnal Telematika Dan Teknologi Informasi 18 (2):157-68. https://doi.org/10.31315/telematika.v18i2.5454.