Technical guidelines for research on REDD+ project sites with survey instruments and code book - Sunderlin, William D.; Larson, A.M.; Duchelle, Amy E.; Sills, E.O.; Luttrell, C.; Jagger, P.; Pattanayak, S.; Cronkleton, P.; Ekaputri, A.D. (Center for International Forestry Research, 2010)