Yona, N., I. Irmayani, and R. Linda. “ANALISIS PENGUKURAN WAKTU STANDAR UNTUK PENENTUAN JUMLAH PEKERJA OPTIMAL DI CV. TILAH BAKERY PADANG”. Journal of Applied Engineering Scienties, Vol. 2, no. 3, Sept. 2019, pp. 001-13, https://ojs-ft.ekasakti.org/index.php/JAES/article/view/10.