Ricca, Sergio. International migration in Africa : legal and administrative aspects / Sergio Ricca. - Geneva : International Labour Office (ILO) , 1989 - xii, 190p. ; 25 cm. Includes bibliographical references. ISBN: 9221065014 (pbk.) : 9221065022 (hard) Subjects--Topical Terms: Emigration and immigration law--Africa Subjects--Geographic Terms: Africa--Emigration and immigration Gov. Doc. Class. No.: UN ILO Int-4