The long-term protection of biological diversity - lessons from market ethics. - Jan Barkmann; Rainer Marggraf (Poiesis Prax., 2004)

The Dao of the sceptic and the spiritual: attitudinal and cultural influences on preferences for sustainable tourism services in the domestic Chinese tourism market. - Jan Barkmann; Jiong Yan; Anne-Kathrin Zschiegner; Rainer Marggraf (Int. J. Serv. Technol. Manag., 2010)

Modeling information-sharing networks on agroforestry species in rural ethnic-based communities using ERGM. - Vladimir Gonzalez-Gamboa; Jan Barkmann; Rainer Marggraf (Appl. Netw. Sci., 2025)