TARIGAN, E. . .; HUTAURUK, H. .; SIAHAAN, I. S. .; SAMOSIR, E. . . Analisis Reduksi Dimensi Produktivitas Jagung di Provinsi-Provinsi Indonesia Menggunakan PCA. Interdisciplinary Explorations in Research Journal, [S. l.], v. 2, n. 3, p. 1697–1976, 2024. Disponível em: https://mail.shariajournal.com/index.php/IERJ/article/view/778. Acesso em: 13 aug. 2026.