Toward a strategy for sustainable trade and management of forest products and services in the COMESA region - Cunningham, T.; German, L.; Chikakula, M.; Paumgarten, F.; Barr, C.; Obidzinski, K.; Yatich, Thomas; Noordwijk, Meine van; Koning, R.G. de; Purnomo, H.; Puntodewo, A. (COMESA and CIFOR, 2008)