| title | ISBN-13 | year of publication |
|---|---|---|
| An analysis of Dar-es-Salaam's informal sector survey | 978-92-2-105239-5 | 1985 |
| Employment in the urban informal sector in Ghana: Report of a survey of informal sector enterprises in Accra, Kumasi, and Tema | 978-92-2-107718-3 | 1992 |
| Informal sector employment in Kenya: A survey of informal sector activities in Nairobi, Kisumu, and Mombasa | 978-92-2-105557-0 | 1986 |
| Informal sector in Lilongwe: A survey of informal activities in garages, metal fabricating, tinsmithing, and woodworking | 978-92-2-105410-8 | 1986 |