MANGUNSONG, E. Y.; HUDA PRASETYA, N.; RAKHMAWATI, F. . Classification of Pneumonia Risk Factor Characteristics in Toddlers Using Classification and Regression Trees (CART) Case Study Regional General Hospital dr. Tengku Mansur Tanjungbalai. Quadratic: Journal of Innovation and Technology in Mathematics and Mathematics Education, [S. l.], v. 1, n. 2, p. 88–93, 2021. DOI: 10.14421/quadratic.2021.012-02. Disponível em: https://ejournal.uin-suka.ac.id/tarbiyah/quadratic/article/view/012-02. Acesso em: 7 feb. 2025.