Perbandingan Kebutuhan Biaya-Waktu Alat-Alat Berat antara Hitungan Kontraktor dan Permen PUPR No. 28/PRT/M/ 2016. js [Internet]. 2021 Jun. 17 [cited 2026 Oct. 9];9(1):55-60. Available from: https://ejournal.sttp-yds.ac.id/index.php/js/article/view/34