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Food Availability and Access in Lesser-Industrialized Societies: A Test and Interpretation of Neo-Malthusian and Technoecological Theories[J] . Stephen J. Scanlan.  Sociological Forum . 2001 (2)
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Food security of shifting cultivation systems: Case studies from Luang Prabang and Oudomxay provinces, Lao PDR[J] . Linkham Douangsavanh,Anan Polthanee,Roengsak Katawatin.  Journal of Mountain Science . 2006 (1)