"Logement Politique gouvernementale Modèles mathématiques Pays en voie de développement." . . "Housing Developing Countries." . . "Urban development department." . . "Housing." . . "Armen (personen)" . . "Modellen." . . "Huisvesting." . . . . . . . . . . . "The Bertaud model : a model for the analysis of alternatives for low- income shelter in the developing world"@en . . . . . . . "\"The Bertaud model\" a model for the analysis of alternatives for low-income shelter in the developing world"@en . . . . . . . . . . . . . . . . . . . . . . . "The Bertaud Model : a model for the analysis of alternatives for low-income shelter in the developing world" . "\"The Bertaud model\" : a model for the analysis of alternatives for low-income shelter in the developing world" . . "Housing policy Mathematical models." . . "World Bank. Urban Development Department." . . "PADCO." . . "Habitacao (planejamento)." . . "Habitacao (planejamento)" . "Ontwikkelingslanden." . . "Housing policy Mathematical models Developing countries." . . "Modellen (theorie)" . . "Logement Politique gouvernementale Pays en voie de développement Modèles mathématiques." . . . . "Developing countries." . . "The World Bank." . . "Desenvolvimento economico." . . "Housing policy Developing countries Mathematical models." . .