MBAABU, Ireri. Historia ya usanifishaji wa Kiswahili / Ireri Mbaabu. - Dar es Salaam, Tanzania : Taasisi ya Uchunguzi wa Kiswahili, Chuo Kikuu cha Dar es Salaam, 2007. - viii, 151 p. ; 20 cm. On the history of standardization of Swahili language. ISBN: 998744220X LCCN: 2007382455 Subjects--Topical Terms: Swahili language--Standardization. Dewey Class. No.: 496.392