Pratiwi N, Lakawa I, Sulaiman S, Hujiyanto H. Testing the Compressive Strength of Concrete with the Addition of Coconut Shell Waste. SCiEJ [Internet]. 27Oct.2022 [cited 19Apr.2026];3(2):61-0. Available from: https://jurnal-unsultra.ac.id/index.php/scej/article/view/350