An Interdisciplinary Journal on Applied  Business and Economics Research
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RIBER provides an optional service to register your article for a unique Digital Object Identifier (DOI) at Crossref.* While DOI is unnecessary for indexing your article in citation databases such as Scopus, it permanently stores your article's metadata including the article title, author information, and the year of publication.
While RIBER is free for publication and access, Crossref charges a fee for their DOI registration services. If you need a unique DOI for your article at RIBER, you are required to pay USD10 (approx. HKD78) for sharing the costs. We accept payment only via PayPal.
Payment Instructions:

Step 1: Enter the email address for receiving your article's DOI.
Step 2: Enter the  volume number, issue number, and page number of your article at RIBER (Example: Vol #1; Issue #1; pp.1-20).
Step 3: Click the "Pay Now" button. You will be carried to the PayPal secured payment page, where you can log in to / create your PayPal account / pay directly with a credit card.
DOI Registration fee
Your email address
Volume #; Issue #; Page number