Adams, M. W. Beans-cowpeas : production constraints and national programs / compiled by M. W. Adams. - Michigan : Michigan State University, 1984. - iii, 68 p. : ill., some col. ; 28 cm. Includes bibliographical references (p. 65-68.) Subjects--Topical Terms: Beans -- Africa. Cowpeas -- Africa. Subjects--Geographic Terms: Agricultural productivity -- Africa. Dewey Class. No.: AF P F 338.14 ADA