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1
Utilizing local resources for development : proceedings of the 9th PWPA Conference Eastern, Central, and Southern Region, held at Musungwa Lodge, Zambia, July,1988 /
Опубліковано 1990Матеріали конференцій Книга -
2
Development through self-reliance in the SADCC region : proceedings of the 7th PWPA Conference Eastern, Central and Southern Region, held in Livingstone, Zambia, July 5-8, 1986 /
Опубліковано 1987Матеріали конференцій Книга -
3
Utilizing local resources for development : proceedings of the 9th PWPA Conference Eastern, Central, and Southern Region, held at Musungwa Lodge, Zambia, July,1988 /
Опубліковано 1990Матеріали конференцій Книга -
4
Development through self-reliance in the SADCC region : proceedings of the 7th PWPA Conference Eastern, Central and Southern Region, held in Livingstone, Zambia, July 5-8, 1986 /
Опубліковано 1987Матеріали конференцій Книга