Onwioduokit F. A. (August, 1991). Teaching and learning primary science in mother tongue: Problems and Prospects. 32nd Annual Proceeding of the Science Teachers Association of Nigeria, pp278 – 283.
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Onwioduokit F. A. (August, 1991). Teaching and learning primary science in mother tongue: Problems and Prospects. 32nd Annual Proceeding of the Science Teachers Association of Nigeria, pp278 – 283.
