1. Lagos :   Publication: Geneva : International Labour Office, 1978 . x, 109p. : ill., maps. Date:1978 Availability: Copies available: Turkeyen Campus Social Sciences [HC 517 N48 F3] (1), Actions: Add to cart
2. Abidjan :   Publication: Geneva: International Labour Office, 1976 . xi, 115p. : Date:1976 Availability: Copies available: Turkeyen Campus Social Sciences [HT178 A32 A2] (1), Actions: Add to cart
3. Bogota :   Publication: Geneva : International Labour Office, 1978 . xiii, 145 p. : Date:1978 Availability: Copies available: Turkeyen Campus Social Sciences [HT 178 C6 L8 L8] (1), Actions: Add to cart