Baskara, Zulhan Widya, Lisa Harsyiah, Dewa Nyoman Adi Paramartha, and Qabul Dinanta Utama. “Factor Analysis for Mapping Characteristics in Robusta Coffee Decaffeination Experiments”. EIGEN MATHEMATICS JOURNAL 5, no. 1 (June 30, 2022): 15–20. Accessed May 7, 2024. https://eigen.unram.ac.id/index.php/eigen/article/view/139.