Ananda, S. I., A. Lamusa, and M. F. Nurdim. “ANALISIS NET PROFIT MARGIN USAHA ABON IKAN PADA IKM SAL-HAN DI KOTA PALU”. AGROTEKBIS : JURNAL ILMU PERTANIAN (e-Journal), Vol. 8, no. 6, Dec. 2020, pp. 1315 -22, http://103.245.72.23/index.php/agrotekbis/article/view/891.