Bradley, Dennis P.; Xu, Zhi(Social and Economics Dimensions of Ecosystem Management, Forest Service, USDA, North Central Forest Experiment Station, St. Paul, MN, 1994)
Sun, Yan; Mwangi, Esther; Meinzen-Dick, Ruth; Bose, Purabi; Shanley, Patricia; da Silvad, F. Cristina; MacDonald, Trilby(CIFOR, Bogor, Indonesia, 2012)