Mate, J. (1991). Why a pit latrine: A manual for extension workers and latrine builders. Piped Supplies for Small Communities (PSSC) Project Zambia.
Citace podle Chicago (17th ed.)Mate, Joseph. Why a Pit Latrine: A Manual for Extension Workers and Latrine Builders. Zambia: Piped Supplies for Small Communities (PSSC) Project Zambia, 1991.
Citace podle MLA (9th ed.)Mate, Joseph. Why a Pit Latrine: A Manual for Extension Workers and Latrine Builders. Piped Supplies for Small Communities (PSSC) Project Zambia, 1991.
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