Oktalia, R. D., . S. I. Nafiah, H. A. Priska, and . R. Fariza. “Redesign Facility Layout and Minimize Material Handling Cost on PT ABC in Pandemic Era”. Proceeding International Conference on Science and Engineering, vol. 4, Feb. 2021, pp. 176-81, http://sunankalijaga.org/prosiding/index.php/icse/article/view/655.