C. G. Buyang, and M. R. Ayal. “ Pengujian Cone Penetration Test (SONDIR), Di Gereja MRII Kota Ambon”. ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi 3, no. 2 (May 28, 2024): 104–111. Accessed March 6, 2026. https://journal.literasisains.id/index.php/abdikan/article/view/3447.