MONTS’O, K. E.; TS’EMANE , R.; MPAKANYANE , T. E.; MASILOANE-BOHLOKO, S. C.; RAMASHAMOLE , T. V.; GEORGE, M. Development of a ‘drop-count’ method for the screening of the ethanol content in hand sanitisers using oxalic acid and potassium permanganate titrimetry. Orapuh Journal, v. 3, n. 1, p. e901, 29 Jul. 2022.