Pangemanan, S. and Sudarno, S. 2020. Testing Soil Properties and The Stability of Sedimentation Retaining Wall in Tondano Lake - Minahasa. International Journal of Health, Economics, and Social Sciences (IJHESS). 1, 1 (Mar. 2020), 24-29. DOI:https://doi.org/10.56338/ijhess.v1i1.897.