V. Fuest, Ampomah, B., Haffner, S. A., en Tweneboah, E.,
“Mapping the water sector of Ghana : an inventory of institutions and actors”. Centre for Development Research, ZEF, Bonn, Germany, p. 64 p. : tab.; fig.; map.
Mariner Books. Boston, MA, USA: Houghton Mifflin Company.
“mBio”. American Society for Microbiology, ASM, Washington, DC, USA.
“MC journal”. State University of New York at Buffalo, Buffalo, NY, USA.
N. L. Management Ede,
“MDF journal”. Management for Development Foundation, Ede, The Netherlands.