Amelia, Nia, et al. “Combined VGG-Long Short Term Memory With Gamma Correction for Pneumonia Type Classification Based on Chest X-Rays”. (IJCSAM) International Journal of Computing Science and Applied Mathematics, vol. 9, no. 2, Nov. 2023, pp. 36-43, https://journal.its.ac.id/index.php/ijcsam/article/view/4646.