David Harry Penny · 9 obras en el catálogoObrasOpportunity and responseCCase studies of subsistence and transitionCase studies of subsistence and transitionHHints for research workers in the social sciencesHints for research workers in the social sciencesTThe index of economic-mindednessThe index of economic-mindednessPPekarangan, petani dan kemiskinanPekarangan, petani dan kemiskinanPPopulation and poverty in rural JavaPopulation and poverty in rural JavaTThe role of efficiency research in the improvement of estateThe role of efficiency research in the improvement of estate managementAAktivitas ekonomi suku bangsa Batak KaroAktivitas ekonomi suku bangsa Batak KaroSStarvationStarvation
TThe role of efficiency research in the improvement of estateThe role of efficiency research in the improvement of estate management
