ANALISIS IMPLEMENTASI SISTEM HOLLOW CORE SLAB (HCS) DALAM EFISIENSI PRODUKSI BETON DAN MUTU DI PT BETON ELEMENINDO PERKASA. IPSSJ [Internet]. 2026 Jun. 27 [cited 2026 Oct. 21];3(06 Juni):4708-16. Available from: https://ipssj.com/index.php/ojs/article/view/1639