Saputra, R., J. Jondri, and K. Lhaksmana. “Prediction Retweet Using User-Based and Content-Based With Artificial Neural Network-Harmony Search”. Building of Informatics, Technology and Science (BITS), Vol. 5, no. 2, Sept. 2023, p. 407−413, doi:10.47065/bits.v5i2.4079.