Nur Permadi, Idris, and Dini Basiratun Nisa. “A Model Experiment Design Using the Taguchi Method: A Case Study Of Making Concrete Roof”. Jurnal Riset Ilmu Teknik 1, no. 1 (May 31, 2023): 39–47. Accessed July 12, 2025. https://jurnaljepip.com/index.php/jurit/article/view/2.