Brilliantina, Aulia, et al. “Upaya Peningkatan Kualitas Proses Produksi Air Minum Dalam Kemasan POLIJE Melalui Penyusunan Standard Operating Prosedure ”. NaCosVi : Polije Proceedings Series, vol. 5, no. 1, Mar. 2023, pp. 68-72, https://proceedings.polije.ac.id/index.php/ppm/article/view/372.