YUNIASARI, Trisyanita; RUSDIANSYAH. Effect of adding coconut shell charcoal powder on clay impermeable layer small dam core material. Technium: Romanian Journal of Applied Sciences and Technology, Constanta, Romania, v. 6, p. 32–41, 2023. DOI: 10.47577/technium.v2021i.8387. Disponível em: https://techniumscience.com/index.php/technium/article/view/8387. Acesso em: 17 apr. 2026.