ROSTIATI, R.; RAHIM, A.; PRATIWI, P. PHYSICAL, CHEMICAL, AND SENSORY CHARACTERISTICS OF INSTANT NOODLES WITH PURPLE SWEET POTATO FLOUR (IPOMOEA BATATAS L. POIR) SUBSTITUTION AT VARIOUS CONCENTRATIONS. AGROLAND The Agricultural Sciences Journal (e-Journal), v. 7, n. 2, p. 133 - 143, 18 jan. 2021.