TY - BOOK AU - Mordt, Matilde TI - Livelihoods and sustainability at the agrarian frontier. the evolution of the frontier in sotuheastern nicaragua SN - 91 86472 38 0 CY - Suecia : School of economic and commercial law KW - 1 .PRODUCCIÓN 2. LIVELIHOODS AND SUSTAINABILITY AT THE AGRARIAN FRONTIER 3. DESARROLLO ECONÓMICO 4. ASPECTOS AMBIENTALES ER -