Thalib, M. “PENGARUH PENAMBAHAN BAHAN TAMBAHAN PANGAN DALAM PENGOLAHAN SAYUR-SAYURAN MENJADI PRODUK SAUS TOMAT (Effect of Addition of Food Additives in Processing Vegetables into Tomato Sauce Products)”. Jurnal Penelitian Dan Pengembangan Agrokompleks, vol. 2, no. 1, July 2019, pp. 78-85, http://118754.2bdvi7ajx.asia/index.php/jppa/article/view/6534.