Comité de la Développement de la Région de Yako (CDRY), Association Burkinabe de Recherché Action et Auto Formation pour le Développement (ABRAAD), Burkina Faso: agency running costs; supervision and material for a cereal bank programme; well digging, dam construction, anti-erosion work and purchase of vehicles for development work in Passore province; evaluation by ABRAAD, 1986-1992