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Journal of the Ghana Science Association -- Vol. 2 No. 1 (2000): Determination of some wear elements in used car engine oil and oil filter paper using Neutron Activation Analysis | 27 USD |
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Journal of the Ghana Science Association -- Vol. 2 No. 1 (2000): Alternative assessment as an ingredient of continuous assessment in Junior Secondary Schools | 27 USD |
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| Total: 54 USD | |||
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