A Publication of the Ahmadu Bello University Zaria, Nigeria, supported by the Tertiary Education Trust Fund (TETFUND)

    At last we are in circulation again. This time we are moving with a speedy trend to close the gap that had been created by the non - production of three volumes; this explains why volume 9 and 10 have been put together for 2011. On behalf of the Board, I wish to sincerely apologise to our contributing authors for the delay in publishing their articles. Funding, which has been a major constraint, is now a thing of the past as the journal is now a publication of the University (and no longer of the Faculty of Science) and is well supported by the Tertiary Education Trust Fund (TETFund). Under this arrangement, this journal is certainly about to witness a major transformation for good. We are in preparation to transform this journal to a robust journal with an international flavour in both quality of articles and production; indeed the next volume will come under the management of a new Editorial Board well equipped to push the journal to a new level with a vista for advancement.

    You will find in this volume, just as in previous volumes, quality and interesting articles to enhance knowledge in the frontiers of science. The Editorial Board is once again grateful to all reviewers for the time and intellect put in reviewing the articles sent to them. We thank all authors who sent in their manuscripts for choosing to publish with us. We look forward to their continuous patronage.

    We thank the Dean of Science, Prof. A. K. Adamu and our new sponsors, TEFund, for supporting and sponsoring the production of this volume.

    Prof. I. H. Nock


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