Tilahun, A. . and Teferie, B. . (2015) “The Roles of Productive Safety Net Program (PSNP) On the Practices of Soil and Water Conservation in the Case of Sekela District, Amhara State, Ethiopia”, International Journal of Geography and Geology, 4(4), pp. 78–88. doi: 10.18488/journal.10/2015.4.4/10.4.78.88.