ADRIYANTO, Oscar; AGUNG, Halim. Edge Detection to Indication Brain Tumor Using Sobel and Morphological Operations Methods Based on Image Magnetic Resonance Imaging. CESS (Journal of Computer Engineering, System and Science), [S. l.], v. 3, n. 2, p. 179–185, 2018. DOI: 10.24114/cess.v3i2.10024. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/cess/article/view/10024. Acesso em: 7 jun. 2025.