Ramadhan AA, ⁠Sukanta ⁠Sukanta, Fitriyani R. Determination of standard time with the stopwatch time study method at PT BI. OE [Internet]. 2025 Jul. 31 [cited 2026 May 28];17(2):201-1. Available from: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/oe/article/view/33098