Masbait, K., C. Souisa, Y. Tuhumury, C. Barus, and G. Jaya. “SINTESIS DAN KARAKTERISASI SIFAT OPTIK SABUN CAIR BERBAHAN LIMBAH MINYAK GORENG BEKAS”. Science Map Journal, Vol. 6, no. 1, June 2024, pp. 21-26, https://ojs3.unpatti.ac.id/index.php/sciencemap/article/view/13051.