Daniel Sipopa Ndara - ISBN: 978-3-330-05430-1

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Absolutely continuous spectrum of fourth order difference operators with unbounded coefficients on a Hilbert space

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Based on Kurdish Learners and Native English Teachers in Second Language Learning Classroom

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J Sivavara Prasad, Y.P.Obulesh Ch.Sai Babu - ISBN: 978-620-2-02731-1