“ANALISIS BEBAN KERJA OPERATOR RAIL MOUNTED GANTRY CRANE (RMGC) MENGGUNAKAN METODE CARDIOVASCULAR LOAD AND NASA-TLX (NATIONAL AERONAUTICS AND SPACE ADMINISTRATION TASK LOAD INDEX)” (2021) Jurnal Tekno, 18(2), pp. 90–100. doi:10.33557/jtekno.v18i2.1270.