TThe Journals are published quarterly subscription rate for individuals is US$25 per issue (Foreign Price) and N1,500 (Domestic). Per annum cost is US$100 (Foreign) and N6,000 (Domestic). For Nigerian Residents subscription fees can be paid either through bank draft made payable to Duncan Science Company or by direct payment into Duncan Science Company Account Number 4912030000790 with First Bank Nigeria

Non-Nigerian Residents may be required to make payment through Western Union. (Before payment please obtain the receiver name from the Subscription Officer. After payment inform the Subscription Officer of the money Transfer Control Number (MTCN), Question and Answer). The Journals will be sent to you on receipt of the Bank Draft, Payment Slip or MTCN by the Subscription Officer, Duncan Science Publication, 13/14 Onuiyi Link Road, P.O. Box 279, Nsukka, Enugu State, Nigeria. Email: Tel: +2347038799152



Ms. N. H. Sam
The Managing Editor,
Duncan Science publication,
172 Goldie Street,
P. O. Box 727, G. P. O., Calabar
Cross River State, Nigeria,
Tel: +2347038799152