Annual subscription rate for the print format of the journal in Nigeria is twenty-five thousand naira (N25,000.00) per volume for individuals and thirty-two thousand naira (N32,000.00) per volume for institutions.   The annual international subscription rate is one hundred (120) dollars per volume for individuals, 240 USD for institutions, for a single issue – 25 USD for individuals and 50 USD for institutions.  Subscription rates are inclusive of postage.   Payments can be made with online deposits or swift transfers.