Yemen. Ministry of Agriculture and Water Resources -YE

Arnhem, N.L.I.L.A.C.O.-, YE, Y.Ministry o & DGIS, D.General fo, 1990. Proceedings of the seminar 'From depletion to a prudent use of groundwater', Rada, Republic of Yemen, 18-20 June 1990, Arnhem, The Netherlands: Ilaco. Available at: https://fr.ircwash.org/sites/default/files/R823-8173.pdf.