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7
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Lesotho : three manpower problems : education, health, population growth / John C. Williams.
- 865.6
- Africa institute of South Africa,
- 1971.
- Pretoria :
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Five years of progress : 1966-1971 [of the] National building research institute / National building research institute.
- 865.1
- South African council for scientific and industrial research. National building research institute,
- 1971.
- Pretoria :
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Vyf jaar vooruitgang : 1966-1971 [van die] Nasionale bounavorsingsinstituut / Nasionale bounavorsingsinstituut.
- 865.1
- Suid-Afrikaanse wetenskaplike en nywerheidnavorsingsraad. Nasionale bounavorsingsinstituut,
- 1971.
- Pretoria :
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A guide to the use of insecticides and fungicides in South Africa / comp. by J. Bot and N. Hollings.
- 865.1
- Department of agricultural technical services,
- 1971.
- Pretoria :
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The ups and downs of heaving soils / by G.W. Donaldson.
- South African council for scientific and industrial research. National building research institute,
- 1971.
- Pretoria :
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The effect of contamination on the gluing of wood : project no. TU/G4318 / H. Scharfetter.
- Council for Scientific and Industrial Research,
- 1971.
- Pretoria :
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The pitch problem in pulping and papermaking : project no. 5131/4323 / J.S.M. Venter and H. Scharfetter.
- Council for scientific and industrial research (CSIR),
- 1971.
- Pretoria :