Sopar Butarbutar, and Mardiaman. “Analysis of Technical Factors Causing Deviation of Spun Pile Coordinate Points in the Data Center Construction Project”. Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan 11, no. 2 (October 6, 2026): 256–265. Accessed October 9, 2026. https://jurnalteknik.unisla.ac.id/index.php/CVL/article/view/1609.