Hard lessons : primary schools, community, a. social capital in Nigeria / Paul A. Francis ; with S.P.I. Agi, S. Ogoh Alubo, Howa A. Biu [et al.]. - Washington : World Bank, 1998. - xvi, 65 p. : tab. ; 28 cm.см.. - (World Bank techn. paper ; N 420, Africa reg. ser.). - ISBN 0-8213-4333-5[MFN: 13025]