Ng'ang'a, Zipporah W.; Nderitu, Leonard; Lee, John S.; Omolo, Jared; Omulo, Sylvia; O'Guinn, Monica L.; Hightower, Allen; Mosha, Fausta; Mohamed, Mohamed; Munyua, Peninah; ; Hiett, Kelli; Seal, Bruce; Feikin, Daniel R.; Breiman, Robert F.; Kariuki, Njenga, M.
(xford University Press, 2011-03)