Syarif AA, Harahap UN, Hasibuan YM, Prasatya A, Wahyu R. PENERAPAN GOOD MANUFACTURING PRACTICES DAN WORK IMPROVEMENT IN SMALL ENTERPRISES PADA PEMBUATAN OPAK DI UMKM DESI. Jurnal Simetri Rekayasa [Internet]. 2022 Apr. 30 [cited 2025 Aug. 31];4(1):242-8. Available from: https://jurnal.harapan.ac.id/index.php/JSR/article/view/662