YOLANDINI, Y. E. P. Analisis pada kematian akibat penyakit jantung di rumah sakit umum pusat H. Adam Malik Medan menggunakan poisson ridge regression (PRR). Quadratic: Journal of Innovation and Technology in Mathematics and Mathematics Education, [S. l.], v. 2, n. 1, p. 35–45, 2022. DOI: 10.14421/quadratic.2022.021-04. Disponível em: https://journal.uin-suka.ac.id/tarbiyah/quadratic/article/view/5138. Acesso em: 13 jul. 2025.