“PERHITUNGAN BIAYA OPERASIONAL ALAT BERAT EXCAVATOR KOMATSU PC78UU PEKERJAAN GALIAN PROYEK REVITALISASI MASJID NURUZZAMAN UNIVERSITAS AIRLANGGA KAMPUS B SURABAYA”. Kohesi: Jurnal Sains Dan Teknologi, vol. 9, no. 3, July 2025, pp. 31-40, https://doi.org/10.2238/dgcwk190.