Wanjala, Cornelius C.; Majinda, Runner R. T.; Abegaz, Berhanu M.; Bezabih, Merhatibeb; Ngadjui, Bonaventure T.; Mdee, Ladislaus K.; Bojase, Gomotsang; Silayo, Alfonse; Masesane, Ishmael; Yeboah, Samuel O.
(International Union of Pure and Applied Chemistry, 2001)