Heaver, Richard Adapting the training and visit system for family planning, health, and nutrition programs / Richard Heaver. - Washington, D.C. : World Bank, 1984. - 56 páginas ; 28 cm. - World Bank staff working papers ; 662 . Subjects--Topical Terms: Higiene.Educación sanitaria.Extensión agrícola. Subjects--Geographic Terms: India.Indonesia. LC Class. No.: HG 3881 / .B35 no.662