SEPADAN MARULI TUA MANURUNG, Julius; AGUSTINA RUMAPEA, Sri; RAJAGUKGUK, Edward; RUMAPEA, Fernando. Applied Machine learning for Pediatric Nutrition A K-Means Clustering Application Based on WHO Z-Scores. Ultima InfoSys : Jurnal Ilmu Sistem Informasi, [S. l.], v. 17, n. 1, p. 9–15, 2026. DOI: 10.31937/si.v17i1.4495. Disponível em: https://ejournals.umn.ac.id/index.php/SI/article/view/4495. Acesso em: 14 jul. 2026.