Permana WD, Bayhaqi I, Handayani C. Perancangan Operation Process Chart Dan Pengukuran Waktu Baku Dengan Metode Stopwatch Time. JuTMI [Internet]. 2022 Jan. 5 [cited 2024 May 1];1(1):5-13. Available from: https://jutmi.stiteknas.ac.id/index.php/jutmi/article/view/5