Muhamid, Rian, et al. “Analisis Risiko Keselamatan Dan Kesehatan Kerja Kegiatan Bongkar Muat Pupuk”. Jurnal INTECH Teknik Industri Universitas Serang Raya, vol. 4, no. 2, Dec. 2018, pp. 45-52, https://doi.org/10.30656/intech.v4i2.924.