A better and well-proven alternative to conventional texts could be AudioLearn's comprehensive revision materials, prerecorded on CD or electronic format.
Links for Publishers:
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http://www.audiolearn.net/
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A not-for-profit electronic publishing service committed to providing access to quality research journals published in developing countries.
http://www.bioline.org.br/ -
Producing quality resources for students and teachers of senior biology.
http://www.biozone.co.nz/ -
Scientific stock photography library of light microscope pictures and electron microscopy images featuring science and biomedical microscopy photos.
http://www.denniskunkel.com/ -
HighWire provides powerful technology solutions to influential societies, university presses and independent publishers who produce high-impact journals, books, and other scholarly publications.
https://www.highwirepress.com/
