Juwardi, Ujang, Septian Rahmat Adnan, Taufiqur Rachman, M. Derajat Amperajaya, Nofi Erni, Roesfiansjah Rasjidin, and Musfirah Cahya Fajrah. “PERHITUNGAN WAKTU BAKU DAN PENENTUAN PRODUKTIVITAS PADA PENGERJAAN PEMBERSIHAN KACA GEDUNG X: Standard Time Calculation and Determination of Productivity for Glass Cleaning Works of Building X”. Jurnal Konversi Energi dan Manufaktur 8, no. 1 (January 7, 2023): 67–77. Accessed November 25, 2024. https://journal.unj.ac.id/unj/index.php/jkem/article/view/30751.