wiɗtuɓe e winnduɓe, A.T. Diop, D. Richard, D. Babene ; e fulo Abuu Bakri Dem, ARED/GIPLLN ; nate ɗee ko Usmaan Sih ; e ballal CRDIAssociates in Research & Education for Development1993, c1991
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- 著者標目Diop, Amadou Tamsir Richard, Didier Babene, Daniel Dem, Abuu Bakr...