Hartanto, Herlina; Valmores, Cecil(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2006)
Morin, Stephen; Palis, Florencia; McAllister, Karen; Papag, Aida; Magsumbol, Melina(International Institute for Environment and Development (IIED), London, 2001)
Hellin, Jon; Lundy, Mark; Meijer, Madelon(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2007)