Ramadhani, Siti Nur, et al. “Substitution Effect of Purple Sweet Potato Flour (Ipomea Batatas) and Green Ocra (Abelmoschus Esculentus) As a High Dietary Fiber Snack Bar for Obese Adolescent Girls”. Poltekita : Jurnal Ilmu Kesehatan, vol. 17, no. 4, Feb. 2024, pp. 1270-8, doi:10.33860/jik.v17i4.3430.