Rahim, A. T. M., S. Akter, and N. Ahmed. “Enzymatic-Gravimetric Estimation of the Content and Composition of Insoluble Dietary Fiber in Selected Cereals, Pulses, and Starchy Roots and Tubers”. Bangladesh Journal of Nutrition, vol. 18, Aug. 2015, pp. 69-75, doi:10.3329/bjnut.v18i0.24788.