Syaina Ulfah Azhara, Heru Winarno, and Faisal Ibnu. “Analisis Pengadaan Barang Di PT Waskita Beton Precast”. Lokawati : Jurnal Penelitian Manajemen dan Inovasi Riset 1, no. 4 (July 30, 2023): 26–34. Accessed April 3, 2025. https://journal.arimbi.or.id/index.php/Lokawati/article/view/125.