Letto, Robby, Yeremias Pell, and Wenseslaus Bunganaen. “ANALISIS SIFAT FISIK DAN SIFAT MEKANIK BATU KARANG DI KUPANG”. LONTAR Jurnal Teknik Mesin Undana 10, no. 01 (May 31, 2023): 1-7. Accessed November 21, 2024. https://ejurnal.undana.ac.id/index.php/LJTMU/article/view/11670.