R. Jayadi, T. F. Indriasari, C. Chrisna, P. N. Fanuel, and R. Afita, “Predicting the Number of Passengers of MRT Jakarta Based on the Use of the QR-Code Payment Method during the Covid-19 Pandemic Using Long Short-Term Memory”, regist. j. ilm. teknol. sist. inf., vol. 8, no. 2, pp. 142–155, Dec. 2022.