Adnan Adnan. “Compressive Strength Of Mortar Mixing Sea Sand With Portland Cement Composite (PCC)”. International Journal of Industrial Innovation and Mechanical Engineering 1, no. 3 (August 29, 2024): 34–45. Accessed July 21, 2026. https://international.aritekin.or.id/index.php/IJIIME/article/view/43.