Pangemanan, Syanne, and Sudarno Sudarno. 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), 24-29. https://doi.org/10.56338/ijhess.v1i1.897.