@book {344, title = {Indigenous farming systems, knowledge and practices in the Sudan}, series = {Sudan Library Series no. 21}, year = {1994}, month = {1994}, pages = {320 pp.}, publisher = {Khartoum University Press}, organization = {Khartoum University Press}, address = {Khartoum, Sudan}, abstract = {

Contents:

}, url = {http://www.worldcat.org/oclc/32817483}, editor = {Medani Mohamed M Ahmed} }