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Self - Help construction of 1-story buildings (m0006e)
source ref: m0006e.htm
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Small scale charcoal making: A manual for trainers (t0022e)
source ref: t0022e.htm
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Sustainable Energy News - No. 2 September 1993 (in02we)
source ref: in02we.htm
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Sustainable Energy News - No. 3 December 1993 (in03we)
source ref: in03we.htm
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Sustainable Energy News - No. 4 March 1994 (in04we)
source ref: in04we.htm
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