Hari Santoso, Lilik, et al. “Modifikasi Sistem Kontrol Feeder Pada Mesin Calendering Berbasis Timer Omron H3CR Di PT. Paper Packaging”. INFOTEX: Scientific Journal of Engineering, vol. 2, no. 1, Oct. 2023, pp. 1-11, https://ojs.stttexmaco.ac.id/index.php/infotex/article/view/30.