Silvertant, L.A.M.

Boehmer, W.K. & Silvertant, L.A.M., 1989. Rada' integrated rural development project : mission to the geohydrology section, 25 April - 13 May 1989, Arnhem, The Netherlands: Ilaco. Available at: https://fr.ircwash.org/sites/default/files/823-YERA89-7795.pdf.