ANALISIS PENGENDALIAN MUTU BETON SPUN PILE DIAMETER 300 MM PRODUKSI PT. WASKITA BETON PRECAST - PLANT BOJONEGARA. j.of Sustainable civ. Engineering (JOSCE) 2022, 4 (01), 65-79. https://doi.org/10.47080/josce.v4i01.1683.