Biblio

R. Beck, “Environmental profile Al Bayda Governorate, Yemen Arab Republic”. DHV, Amersfoort, The Netherlands, p. 48 p.: fig., map, photogr., 1990.

M. C. T. Derckx, “Rada integrated rural development project : review of the RWES health education programme in 1988”, vol. no. 31. Ilaco, Arnhem, The Netherlands, p. iv, 62 p.: fig., tab., 1989.

A. W. J. M. Vriens, “Rada integrated rural development project : an inventory study of completed water supply schemes”. SNV Netherlands Development Organization, Sana'a, Yemen, p. ii, 42 p. + 131 p. annexes: fig., map, tab., 1987.

N. L. I. L. A. C. O. - Arnhem, YE, Y. Ministry o, and DGIS, D. General fo, “Household water use in Al Beida Province”, vol. no. 10. Ilaco, Arnhem, The Netherlands, p. ii, 19 p.: 3 fig., 1 tab., 1983.

N. L. I. L. A. C. O. - Arnhem, YE, Y. Ministry o, and DGIS, D. General fo, “The women's participation section”, vol. no. 12. Ilaco, Arnhem, The Netherlands, p. ii, 17 p., 1983.

N. L. I. L. A. C. O. - Arnhem, YE, Y. Ministry o, and DGIS, D. General fo, “Rada integrated rural development project : inventory study : report phase I”. Ilaco, Arnhem, The Netherlands, p. ii, 42 p. + 131 p. annexes: fig., map, tab.