Saulia, Lenny, Sam Herodian, and I Dewa Made Subrata. 2011. “Development of Dynamic Local Work Load Measurement Method Using Electromyography (EMG) (an Experimental Measurement With Drilling Activities)”. Jurnal Keteknikan Pertanian 16 (1). https://doi.org/10.19028/jtep.016.1.%p.