Fathimahhayati, L. D., Pawitra, T. A., & Tambunan, W. (2020). Analisis ergonomi pada perkuliahan daring menggunakan smartphone selama masa pandemi covid-19: studi kasus mahasiswa Prodi Teknik Industri Universitas Mulawarman. Operations Excellence: Journal of Applied Industrial Engineering, 12(3), 308–317. https://doi.org/10.22441/oe.2020.v12.i3.004