“The Effect of Gembili Flour Substitution (Dioscorea Esculenta L.) in the Making Roti Canai on Physical Quality and Sensory Quality”. Jurnal Ilmiah Mandala Education, vol. 11, no. 4, Oct. 2025, pp. 1170-8, https://doi.org/10.58258/jime.v11i4.9575.