“ANALISIS BEBAN KERJA OPERATOR RAIL MOUNTED GANTRY CRANE (RMGC) MENGGUNAKAN METODE CARDIOVASCULAR LOAD AND NASA-TLX (NATIONAL AERONAUTICS AND SPACE ADMINISTRATION TASK LOAD INDEX)”, jtekno, vol. 18, no. 2, pp. 90–100, Nov. 2021, doi: 10.33557/jtekno.v18i2.1270.