Johnson, S.H.

Johnson, S.H., Narayanamurthy, S.G. & Samad, M., 1997. Comparing theoretical and actual feasibility of transferring management of river lift irrigation systems in Sudan. , p.p. 13-22 ; 1 fig., 1 map, 6 tab. Available at: https://fr.ircwash.org/sites/default/files/202.6-97CO-15819.pdf.