1.
Siahaan D. Potential of excavation of c sand in Aek Bolon Village as a building material based on the material feasibility requirements test for concrete construction. jt [Internet]. 2025 Aug. 30 [cited 2026 May 7];1(2):41-50. Available from: https://ejournal.cria.or.id/index.php/teknoreka/article/view/343