Sudjono, Agus Santosa, Lydia F. Tjong, and Yohannes Yohannes. “The Tension Strength Experiment of Thread Connection Based on The Depth of Thread Penetration”. Civil Engineering Dimension 10, no. 1 (May 30, 2008): pp. 45-50. Accessed May 4, 2024. https://ced.petra.ac.id/index.php/civ/article/view/16733.