Asyurhok DS, Ashari I, Suparjo S. PRODUKTIVITAS PENGECORAN BETON READY-MIXED DENGAN CONCRETE PUMP DAN TOWER CRANE: Productivity of Ready-Mixed Concrete Casting with Concrete Pump and Tower Crane. SS [Internet]. 2017 Aug. 3 [cited 2024 May 10];1(1):13-20. Available from: https://spektrum.unram.ac.id/index.php/Spektrum/article/view/54