Rostiati, R., A. Rahim, and P. Pratiwi. “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), Vol. 7, no. 2, Jan. 2021, pp. 133 -43, doi:10.22487/agroland.v7i2.633.