“The Effect of Soybean Extract Substitution on Physical and Sensory Quality Pukis Cake”. Jurnal Ilmiah Mandala Education 11, no. 4 (October 30, 2025): 1186–1195. Accessed June 30, 2026. https://ejournal.mandalanursa.org/index.php/JIME/article/view/9594.