Simanjuntak, R.A. and Christy, N. 2004. PENGARUH CAHAYA,TEMPERATUR DAN SHIFT KERJA TERHADAP KINERJA OPERATOR. JURNAL TEKNOLOGI TECHNOSCIENTIA. (Oct. 2004), 27–37. DOI:https://doi.org/10.34151/technoscientia.v0i0.1885.