Ejiga, N. O. O. The economics of cowpea marketing in Nigeria - Ithaca : New York State College of Agriculture and Life Sciences, 1981 - 73 p. : gráfs. - Cornell International Agriculture. Mimeograph ; 82 . - Cornell international agriculture mimeograph ; 82 . LCCN: 26610 Subjects--Topical Terms: Garbanzo--Aspectos económicos.Garbanzo--Mercadeo.