Abdurrahman, Habib, Iman Satyarno, and Agus Budhie Wijatna. “Utilization of Steel Aggregate and Iron Sand As Heavyweight Concrete for Gamma Radiation Shielding”. Civil Engineering Dimension 27, no. 1 (March 21, 2025): 85–94. Accessed October 4, 2025. https://ced.petra.ac.id/index.php/civ/article/view/29144.