Mbaabu, Ireri. Usahihishaji wa makosa katika Kiswahili / Ireri Mbaabu. - Nairobi : Longhorn Kenya Ltd, 1995. - vii, 98 p. ; 20 cm. Open access. ISBN: 9966497439 Subjects--Topical Terms: Swahili language--Errors of usage.Swahili language--Usage.