Miranti, Muji Paramuji, Wan Bahroni Jiwar Barus, M. Nuh and Faridhil Wafiq (2024) “Purple Sweet Potato Flour Substitution And Fermentation Time In White Bread Modification”, Jurnal Online Pertanian Tropik, 11(2), pp. 22-28. doi: 10.32734/jopt.v11i2.15921.