Siahaan Y, Harahap UN, Hasibuan YM. Analysis of Cardboard Quality Improvement Using The Taguchi Method. Jitekh [Internet]. 2025 Sep. 30 [cited 2026 Feb. 21];13(2):121-8. Available from: https://jurnal.harapan.ac.id/index.php/Jitekh/article/view/1257