00821ctm a22002295a 450000100090000000300040000900500170001300700030003000800410003301000170007402000440009104000130013504200100014808200250015810000200018324501720020326000530037530000390042844000330046750400510050071000400055117357317OSt20250520134915.0ta150206s2011    et ab    b    000 0 eng    a  2012311515  a9789994450435 (paperback) :c70.00 birr  aDLCcDLC  alcode  aETH 338.963 Wor 20110 aWorkneh Negatu.10aEconomic interactions of pastoral lowland and highland systems and implications for sustainable livelihoods :ba case study in northeastern Ethiopia /cWorkneh Negatu.  aAddis Ababa :bForum for Social Studies,cc2011.  avii, 59 p. :bill., maps ;c24 cm. 0aFSS research report ;vno. 7  aIncludes bibliographical references (p. 56-57)2 aYamahbarawi tenat madrak (Ethiopia)