Powder from chickling vetch valves in the production of functional biscuits A.S. Jaboeva, Z.S. Dumanisheva, A.Ch. Toguzaeva, A.A. Shiritov and A.D. Thaitlov E3S Web of Conf., 222 (2020) 03008 Published online: 22 December 2020 DOI: 10.1051/e3sconf/202022203008