PERHITUNGAN BIAYA OPERASIONAL ALAT BERAT EXCAVATOR KOMATSU PC78UU PEKERJAAN GALIAN PROYEK REVITALISASI MASJID NURUZZAMAN UNIVERSITAS AIRLANGGA KAMPUS B SURABAYA. kohesi [Internet]. 2025 Jul. 9 [cited 2025 Jul. 11];9(3):31-40. Available from: https://ejournal.cahayailmubangsa.institute/index.php/kohesi/article/view/4395