Istianah, Latifatul, and Heni Sumarti. 2020. “Classification of Pneumonia in Thoracic X-Ray Images Based on Texture Characteristics Using the MLP (Multi-Layer Perceptron) Method”. Journal of Natural Sciences and Mathematics Research 6 (2):78-84. https://journal.walisongo.ac.id/index.php/JNSMR/article/view/11228.