The impact of non-tariff barriers on maize and beef trade within the East African community - Karugia, Joseph T.; Wanjiku, Juliet; Gbegbelegbe, Sika; Nzuma, Jonathan Makau; Massawe, Stella; Freeman, Ade; Waithaka, Michael; Kaitibie, Simeon; Macharia, Eric (International Food Policy Research Institute, 2009)