The Effect of Purple Sweet Potato Flour Substitution (Ipomoea Potato L. Poir) On Physical Quality and Sensory Quality of Chiffon Cake. JIME [Internet]. 2026 Jan. 2 [cited 2026 Jun. 27];12(1):12-23. Available from: https://ejournal.mandalanursa.org/index.php/JIME/article/view/9634